#146 Admins and update_all_parcels.py

* extends admin backend
    * adds found_in_codelists to KonovaCodeAdmin to see where a KonovaCode can be found in
    * improves rendering of after_states and before_states for all AbstractCompensationAdmins
    * adds geometry_id to all major datatype admin backends
    * adds st_area like calculation to geometry admin backend
* update_all_parcels
    * orders geometries by size (small to big) to process smaller geometries first and bigger later
    * adds more output to command for a better overview of what is just going on

compensation/admin.py

@@ -21,16 +21,30 @@ class AbstractCompensationAdmin(BaseObjectAdmin):
             "identifier",
             "title",
             "comment",
-            "after_states",
-            "before_states",
+            "list_after_states",
+            "list_before_states",
+            "geometry",
         ]
 
     def get_readonly_fields(self, request, obj=None):
         return super().get_readonly_fields(request, obj) + [
-            "after_states",
-            "before_states",
+            "list_after_states",
+            "list_before_states",
+            "geometry",
         ]
 
+    def list_after_states(self, obj):
+        states = obj.after_states.all()
+        states = [str(state) for state in states]
+        states = "\n".join(states)
+        return states
+
+    def list_before_states(self, obj):
+        states = obj.before_states.all()
+        states = [str(state) for state in states]
+        states = "\n".join(states)
+        return states
+
 
 class CompensationAdmin(AbstractCompensationAdmin):
     autocomplete_fields = [