don't insert posts to timelines when editing a post

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

app/soapbox/actions/statuses.ts

@@ -68,7 +68,7 @@ const createStatus = (params: Record<string, any>, idempotencyKey: string, statu
       }
 
       dispatch(importFetchedStatus(status, idempotencyKey));
-      dispatch({ type: STATUS_CREATE_SUCCESS, status, params, idempotencyKey });
+      dispatch({ type: STATUS_CREATE_SUCCESS, status, params, idempotencyKey, editing: !!statusId });
 
       // Poll the backend for the updated card
       if (status.expectsCard) {

app/soapbox/reducers/timelines.ts

@@ -314,7 +314,7 @@ export default function timelines(state: State = initialState, action: AnyAction
       if (action.params.scheduled_at) return state;
       return importPendingStatus(state, action.params, action.idempotencyKey);
     case STATUS_CREATE_SUCCESS:
-      if (action.status.scheduled_at) return state;
+      if (action.status.scheduled_at || action.editing) return state;
       return importStatus(state, action.status, action.idempotencyKey);
     case TIMELINE_EXPAND_REQUEST:
       return setLoading(state, action.timeline, true);