Make retry_decrypt_events() work for good

src/backend/matrix_client.py

@@ -1179,17 +1179,19 @@ class MatrixClient(nio.AsyncClient):
 
         # Add the Event to model
 
+        model = self.models[self.user_id, room.room_id, "events"]
+
         tx_id = ev.source.get("content", {}).get(
             f"{__app_name__}.transaction_id",
         )
         local_sender = ev.sender in self.backend.clients
 
-        if local_sender and tx_id:
+        if local_sender and tx_id and tx_id in model:
             item.id = f"echo-{tx_id}"
 
         if not local_sender and not await self.event_is_past(ev):
             AlertRequested()
 
-        self.models[self.user_id, room.room_id, "events"][item.id] = item
+        model[item.id] = item
 
         await self.set_room_last_event(room.room_id, item)

src/backend/models/model.py

@@ -82,6 +82,7 @@ class Model(MutableMapping):
                     setattr(existing, field, getattr(new, field))
                 return
 
+            if self.sync_id:
                 new.parent_model = self
 
             self._data[key] = new

src/gui/PythonBridge/Privates/EventHandlers.qml

@@ -60,13 +60,13 @@ QtObject {
 
 
     function onModelItemInserted(syncId, index, item) {
-        print("insert", syncId, index, item)
+        // print("insert", syncId, index, item)
         ModelStore.get(syncId).insert(index, item)
     }
 
 
     function onModelItemFieldChanged(syncId, oldIndex, newIndex, field, value){
-        print("change", syncId, oldIndex, newIndex, field, value)
+        // print("change", syncId, oldIndex, newIndex, field, value)
         const model = ModelStore.get(syncId)
         model.setProperty(oldIndex, field, value)