*Steps to reproduce:*

1. Create a new project and install the "AI Generators" package
2. Make sure that Editor theme is set to Light (Edit > Preferences > General > Editor Theme > Light)
3. In the Project window, right-click -> Create -> 2D -> Generate Sprite
4. Observe and compare Sprite Generator tab icon with other tab icons across the Editor

*Actual results:* Generator window tab is white when Editor theme is set to Light

*Expected results:* Generator window tab icon should be dark when Editor theme is set to Light

*Reproducible with versions:* AI Generators 1.0.0-pre.6 (6000.2.0a10)

*Tested on (OS):* Windows 11

*Notes:*
* Also reproducible with Texture2D Generator, Sound Generator, Animation Generator, Material Generator windows tabs