Moving the script of an open file duplicates the open file in the editor tree

[mieldepoche]

Tested versions

v4.6.dev4.official [bd2ca13]

System information

windows 11

Issue description

Possibly related to #112880

best explained by video, notice how

• the previous instances of the scene persist after closing it
• the name of the scene is forcibly changed (MyScene -> MyScene2 -> MyScene3)

render-2025-11-19_03-24-50.webm

Steps to reproduce

• open a scene that has a script on its root (even a single node, with an empty script)
• move the script in the file system
• close the open scene
• the scene should persist

Minimal reproduction project (MRP)

any node with a script

mrp-leftover-scene.zip