Can’t change position of Editor or Play Mode Controls in toolbar when holding CTRL on Linux

Steps to reproduce:
1. Create new Unity project
2. Hold CTRL to drag and move Play Mode or Editor (Layout, Store) Controls on the Editor Toolbar
3. Observe the Toolbar

Actual results: Unable to move Editor Control buttons on the toolbar holding CRTL key on Linux
Expected results: Able to move Editor Control buttons on the toolbar holding CRTL key on Linux

Reproducible with versions: 6000.3.0b7, 6000.4.0a3
Can’t test with versions: 6000.2.8f1 and lower (no Customizable Toolbar available)

Tested on (OS): Ubuntu 22.04 (reproducing), Windows 11, macOS Silicon Tahoe 26 (M1) (not reproducing)