Rendering artifacts visible in Viewport when Label text is bold with Shadow offset, Advanced Text Generator and Auto Size enabled in UI Builder window for Label element

Steps to reproduce:
1. Open the provided project “TextRenderingIssue.zip” from Google Drive link
2. Observe the “Label” element in UI Builder window Viewport 

Actual results: Rendering artifacts are visible in Viewport on a Label element when text is bold, Shadow color offset is applied, Text Generator Type is set to Advanced, and Auto Size is enabled
Expected results: No rendering artifacts visible when editing Shadow color offset in Inspector window for text

Reproducible with versions: 6000.3.6f1, 6000.4.0b7, 6000.5.0a6

Can’t test with versions: 6000.0.66f2 (Advanced Text Generator is not available)

Tested on (OS): Ubuntu 24.04, macOS Silicon Tahoe 26.2 (M1)

Notes:

•  If UI Builder tab is not open, open “Test.uxml” Asset from Project window