Created|Deleted refactoring

* refactors base attributes created and deleted into UserActionLogEntry foreign keys
* refactors all related queries and process logic
* fixes binding_on into binding_date in intervention/detail/view.html
* adds basic __str__ for some models
*

compensation/forms.py

@@ -10,7 +10,9 @@ from django.db import transaction
 from django.utils.translation import gettext_lazy as _
 
 from compensation.models import Payment
+from konova.enums import UserActionLogEntryEnum
 from konova.forms import BaseForm, BaseModalForm
+from user.models import UserActionLogEntry
 
 
 class NewCompensationForm(BaseForm):
@@ -56,8 +58,12 @@ class NewPaymentForm(BaseModalForm):
 
     def save(self):
         with transaction.atomic():
+            action = UserActionLogEntry.objects.create(
+                user=self.user,
+                action=UserActionLogEntryEnum.CREATED.value,
+            )
             pay = Payment.objects.create(
-                created_by=self.user,
+                created=action,
                 amount=self.cleaned_data.get("amount", -1),
                 due_on=self.cleaned_data.get("due", None),
                 comment=self.cleaned_data.get("transfer_note", None),