Merge branch 'slava/fix_dutch_minimal_step_amount' into 'master'

fix(dutch): set minimalStep value  amount equal to dutchStepValue amount

See merge request !2009

src/prozorro_sale/procedure/models/utils.py

@@ -208,7 +208,7 @@ class DutchStepMixin:
         """
         if self.minimalStep:
             if self.value and self.dutchStep:
-                self.minimalStep.amount = round(self.value.amount * self.dutchStep.dutchStepPercent / 100, 2)
+                self.minimalStep.amount = self.dutchStep.dutchStepValue.amount
                 self.minimalStep.currency = self.value.currency
 
     def _validate_bid_value_amount(self, amount):