Saving with a non inherited gltf scene open causes Condition "is_inside_tree()" is true

[0x0ACB]

Tested versions

4.3

System information

Windows 10

Issue description

If you add a gltf file to a scene without inheriting from it, then hit Open in Editor > Open Anyway you will open the gltf file like a normal scene. If you then save the editor will print

<scene\main\window.cpp(1889): Window::_try_parent_dialog> Condition "is_inside_tree()" is true. Returning: false:
Attempting to parent and popup a dialog that already has a parent.

Steps to reproduce

Add a gltf file to a scene
Open in Editor > Open Anyway
Save

Minimal reproduction project (MRP)