#99 Admin backend cleanup

* removes admin backend views which are not important for production
* adds filtering functionalities on index views
* simplifies detail views on intervention, compensation, ecoaccount and ema
* adds autocomplete fields on detail views
* adds handy horizontal filter fields on detail views

user/models/user_action.py

@@ -10,6 +10,8 @@ import uuid
 from django.db import models
 from django.utils.translation import gettext_lazy as _
 
+from konova.sub_settings.django_settings import DEFAULT_DATE_FORMAT, DEFAULT_DATE_TIME_FORMAT
+
 
 class UserAction(models.TextChoices):
     """
@@ -49,6 +51,9 @@ class UserActionLogEntry(models.Model):
             "-timestamp",
         )
 
+    def __str__(self):
+        return f"{self.timestamp.strftime(DEFAULT_DATE_TIME_FORMAT)} | {self.action} | {self.user}"
+
     @property
     def action_humanize(self):
         """ Returns humanized version of enum