Tested versions

• Reproducible in: 4.4.rc2
• Not reproducible in: 4.3.stable

System information

Godot v4.4.rc (3ef055f) - Fedora Linux 41 (KDE Plasma) on X11 - X11 display driver, Multi-window, 1 monitor - Vulkan (Forward+) - dedicated NVIDIA GeForce RTX 4090 (nvidia; 565.77) - 13th Gen Intel(R) Core(TM) i9-13900K (32 threads)

Issue description

The restart prompt for unsaved resources shows even in an empty project with no open scenes:

This is a regression from #102017, as this dialog wasn't present before. It can be confusing to see this dialog if there's nothing that can be saved, since the user might think they have unsaved resources when they don't.

Steps to reproduce

• Create a new project and open it in the editor.
• Do not create or open any scenes/resources.
• Change a setting that requires a restart, then click the Save & Restart button.
• A restart dialog shows up, but choosing Don't save or Save & Reload will do the same thing as there is nothing to save.

Minimal reproduction project (MRP)

N/A