GLES3 changing 2d shadow atlas size is broken

[WhalesState]

Godot version

4.1.1 stable

System information

Windows 10

Issue description

this is the default size loaded on startup 1024 which seems fine but it actually have loaded the default [2048] and ignored the size in project settings

changing it now to any size will break it
[2048]

[512]

Steps to reproduce

change 2d shadow atlas size in project settings while using compatibility renderer.

Minimal reproduction project

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