some more fixing, activating a changeset seems to work now… ish

src/c3nav/editor/changes.py

@@ -589,10 +589,11 @@ class ChangedObjectCollection(BaseSchema):
                 ended_situations.append(situation)
 
         if done_situation:
-            return DatabaseOperationCollection(
+            result = DatabaseOperationCollection(
                 prev=self.prev,
-                _operations=done_situation.operations,
             )
+            result.extend(done_situation.operations)
+            return result
 
         # todo: what to do if we can't fully solve it?
         raise NotImplementedError('couldnt fully solve as_operations')

src/c3nav/editor/operations.py

@@ -203,6 +203,9 @@ class DatabaseOperationCollection(BaseSchema):
     def __len__(self):
         return len(self._operations)
 
+    def extend(self, items: list[DatabaseOperation]):
+        self._operations.extend(items)
+
     def append(self, item: DatabaseOperation):
         self._operations.append(item)