EcoAccount detail

* adds detail view for eco account
* adds withdraw detail view to eco acount detail
* generalizes compensation/includes templates to be reusable for eco-accounts
* moves is_shared_with() check to class BaseObject
* adds/updates translations

intervention/models.py

@@ -193,19 +193,6 @@ class Intervention(BaseObject):
             self.identifier = new_id
         super().save(*args, **kwargs)
 
-    def is_shared_with(self, user: User):
-        """ Access check
-
-        Checks whether a given user has access to this intervention
-
-        Args:
-            user ():
-
-        Returns:
-
-        """
-        return self.users.filter(username=user.username).exists()
-
     def check_validity(self) -> (bool, dict):
         """ Validity check