MM-61484 - Deleting scheduled posts when permanently deleting a user (#29152)

* Deleting scheduled posts when permanently deleting a user

* Updated tests

* CI

* Testing CI

* Restored a test change

* Skipping flaky test

server/channels/app/user.go

@@ -1816,6 +1816,10 @@ func (a *App) PermanentDeleteUser(rctx request.CTX, user *model.User) *model.App
 		return model.NewAppError("PermanentDeleteUser", "app.reaction.permanent_delete_by_user.app_error", nil, "", http.StatusInternalServerError).Wrap(err)
 	}
 
+	if err := a.Srv().Store().ScheduledPost().PermanentDeleteByUser(user.Id); err != nil {
+		return model.NewAppError("PermanentDeleteUser", "app.scheduled_post.permanent_delete_by_user.app_error", nil, "", http.StatusInternalServerError).Wrap(err)
+	}
+
 	if err := a.Srv().Store().Bot().PermanentDelete(user.Id); err != nil {
 		var invErr *store.ErrInvalidInput
 		switch {