🐛 Fix error when pasting a main component in other file

CHANGES.md

@@ -130,6 +130,7 @@
 - Fix problem with hand tool stuck [Github #3318](https://github.com/penpot/penpot/issues/3318)
 - Fix problem with fix scrolling on nested elements [Github #3508](https://github.com/penpot/penpot/issues/3508)
 - Fix problem when changing typography assets [Github #3683](https://github.com/penpot/penpot/issues/3683)
+- Internal error when you copy and paste some main components between files [Taiga #7397](https://tree.taiga.io/project/penpot/issue/7397)
 
 
 ## 1.19.5

frontend/src/app/main/data/workspace.cljs

@@ -2041,7 +2041,6 @@
               all-objects  (merge page-objects objects)
 
 
-
               drop-cell    (when (ctl/grid-layout? all-objects parent-id)
                              (gslg/get-drop-cell frame-id all-objects position))
 

frontend/src/app/main/data/workspace/selection.cljs

@@ -512,9 +512,11 @@
                  (ctk/remove-swap-slot))
 
                (dissoc :shapes
-                       :main-instance
                        :use-for-thumbnail)
 
+               (cond-> (not is-component-root?)
+                 (dissoc :main-instance))
+
                (cond-> into-component?
                  (dissoc :component-root))