Eco account unit tests

* adds eco account unit tests
* adds validity check to eco account form to check on existing deductions and potential conflict with reduced deductable surface
* improves geojson handling on SimpleGeomForm
* adds/updates translation

compensation/models/eco_account.py

@@ -59,20 +59,6 @@ class EcoAccount(AbstractCompensation, ShareableObjectMixin, RecordableObjectMix
     def __str__(self):
         return f"{self.identifier} ({self.title})"
 
-    def clean(self):
-        # Deductable surface can not be larger than added states after surface
-        after_state_sum = self.get_surface_after_states()
-        if self.deductable_surface > after_state_sum:
-            raise ValidationError(_("Deductable surface can not be larger than existing surfaces in after states"))
-
-        # Deductable surface can not be lower than amount of already deducted surfaces
-        # User needs to contact deducting user in case of further problems
-        deducted_sum = self.get_deductions_surface()
-        if self.deductable_surface < deducted_sum:
-            raise ValidationError(
-                _("Deductable surface can not be smaller than the sum of already existing deductions. Please contact the responsible users for the deductions!")
-            )
-
     def save(self, *args, **kwargs):
         if self.identifier is None or len(self.identifier) == 0:
             # Create new identifier if none was given