CDB3-454 LLE docType 'х_itemPlan' should be required if there are items with CAV '04000000-8'

Summary: check docType is presented in 'documents' array

STR:

1. Go to /api/procedures endpoint
2. Create procedure with next body:

{
    "auctionPeriod": {
        "startDate": "2021-02-18T12:09:00+00:00"
    },
    "sellingMethod": "legitimatePropertyLease-english-fast",
    "lotId": "sd",
    "title": {
        "uk_UA": "<script>document.body.style.backgroundColor='#f3f3f3'; alert('test');</script>",
        "en_US": "string"
    },
    "description": {
        "uk_UA": "string",
        "en_US": "string"
    },
    "x_additionalInformation": {
        "uk_UA": "string",
        "en_US": "string"
    },
    "value": {
        "currency": "UAH",
        "amount": 3,
        "valueAddedTaxIncluded": false
    },
    "valueAddedTaxCharged": true,
    "guarantee": {
        "currency": "UAH",
        "amount": 2
    },

    "tenderAttempts": 1,
    "accessDetails": {
        "uk_UA": "ssss"
    },
    "items": [
        
       {
           "itemType":"otherProperty",
            "description": {
                "uk_UA": "<script>document.body.style.backgroundColor='#f3f3f3'; alert('test');</script>",
                "en_US": "string"
            },
            "classification": {
                "scheme": "CAV",
                "id": "48000000-8"
            },
            "unit": {
                "code": "H87"
            },
            "quantity": 11.1126,
        
    
            
          "location": {
              "latitude": "sd",
              "longitude": "sd"
          }
        },
        
        {
            "itemType": "jointPropertyComplex",
            "description": {
                "uk_UA": "<script>document.body.style.backgroundColor='#f3f3f3'; alert('test');</script>",
                "en_US": "string"
            },
            "classification": {
                "scheme": "CAV",
                "id": "04000000-8"
            },
            "unit": {
                "code": "H87"
            },
            "quantity": 11.1126,
            "address": {
                "addressID": {
                    "scheme": "koatuu",
                    "id": "0110136600"
                },
                "streetAddress": {
                    "uk_UA": "string",
                    "en_US": "string"
                },
                "locality": {
                    "uk_UA": "string",
                    "en_US": "string"
                },
                "region": {
                    "uk_UA": "Автономна Республіка Крим",
                    "en_US": "string"
                },
                "postalCode": "string",
                "countryName": {
                    "uk_UA": "Україна"
                }
            },
            "location": {
                "latitude": "string",
                "longitude": "string",
                "elevation": "string"
            },
             "registrationDetails": {},
             "jpcProps": {},
             "additionalClassification": {
                 "scheme": "CPVS",
                 "id": "QB29-3"
             }	
        }   
    ],
     "minimalStep": {
        "currency": "UAH",
        "amount": 0.1
    },
    "registryObjectId": "",
    "leaseRules": {
        "intendedUseRestrictionMethod": "onlyDescribed",
        "intendedUseRestrictionDescription": "wewe"
    },
    "relatedOrganizations": {
        "sellingEntity": {
        "identifier": {
            "scheme": "UA-EDR",
            "legalName": {
                "uk_UA": "string",
                "en_US": "string"
            },
            "id": "12345637"
        },
        "address": {
            "addressID": {
                "scheme": "koatuu",
                "id": "0110136600"
            },
            "streetAddress": {
                "uk_UA": "string",
                "en_US": "string"
            },
            "locality": {
                "uk_UA": "string",
                "en_US": "string"
            },
            "region": {
                "uk_UA": "Автономна Республіка Крим",
                "en_US": "string"
            },
            "countryName": {
                "uk_UA": "Україна"
            }
        },
        "contactPoint": {
            "email": "Tadmin@example.com",
            "telephone": "+380123456789",
            "name": {
                "uk_UA": "string",
                "en_US": "string"
            },
            "url": "http://string.com"
        },
        "representativeInfo": "Довіреність № 123 від 22.02.2012, дійсна до 30.03.2012/Наказ № 142 від 14.12.2019/Статут ТОВ Кульбаба від 24.07.2002"
    },
    "propertyOwner": {"identifier": {
            "scheme": "UA-EDR",
            "legalName": {
                "uk_UA": "string",
                "en_US": "string"
            },
            "id": "12345637"
        },
        "address": {
            "addressID": {
                "scheme": "koatuu",
                "id": "0110136600"
            },
            "streetAddress": {
                "uk_UA": "string",
                "en_US": "string"
            },
            "locality": {
                "uk_UA": "string",
                "en_US": "string"
            },
            "region": {
                "uk_UA": "Автономна Республіка Крим",
                "en_US": "string"
            },
            "countryName": {
                "uk_UA": "Україна"
            }
        },
        "contactPoint": {
            "email": "Tadmin@example.com",
            "telephone": "+380123456789",
            "name": {
                "uk_UA": "string",
                "en_US": "string"
            },
            "url": "http://string.com"
        },
        "representativeInfo": "Довіреність № 123 від 22.02.2012, дійсна до 30.03.2012/Наказ № 142 від 14.12.2019/Статут ТОВ Кульбаба від 24.07.2002"
    },
    "ownershipType": "state"
    },
    "bankAccounts": {
        "advancePaymentAccounts": {}
    },
    "registrationFee": {
        "currency": "UAH",
        "amount": 3000
    },
    "valuePeriod": "month",
    "leaseDuration": "P2Y11M"
}

Actual result: as you can see, procedure can be created with item.classification.id == 04000000-8 without required docType

Expected result: should have validation