🐛 Fix unexpected output on get-page when invalid object-id is provided

CHANGES.md

@@ -7,6 +7,10 @@
 - Navigate up in layer hierarchy with Shift+Enter shortcut [Taiga #5734](https://tree.taiga.io/project/penpot/us/5734)
 - Click on the flow tags open viewer with the selected frame [Taiga #5044](https://tree.taiga.io/project/penpot/us/5044)
 
+### :bug: Bugs fixed
+
+- Fix unexpected output on get-page rpc method when invalid object-id is provided [Github #3546](https://github.com/penpot/penpot/issues/3546)
+
 ## 1.19.1
 
 ### :bug: Bugs fixed

backend/src/app/rpc/commands/files.clj

@@ -498,7 +498,8 @@
   other not needed objects removed from the `:objects` data
   structure."
   [{:keys [objects] :as page} object-id]
-  (let [objects (cph/get-children-with-self objects object-id)]
+  (let [objects (->> (cph/get-children-with-self objects object-id)
+                     (filter some?))]
     (assoc page :objects (d/index-by :id objects))))
 
 (defn- prune-thumbnails