Merge pull request #9075 from nextcloud/backport/9074/stable34

[stable34] fix(updateFromContent): destroy editor at end of setContent()

Author: mejo-

src/helpers/updateFromContent.ts

@@ -39,4 +39,5 @@ const setContent = (
 				extensions: [Collaboration.configure({ document: doc })],
 			})
 	editor.commands.setContent(html)
+	editor.destroy()
 }