Bug Description:

Tabbar icons in the explorer view overflow when the view is made narrow. The issue is visible when the tabbar becomes too narrow and the icons no longer display correctly. This might also happen in other areas.

Steps to Reproduce:

• Open the explorer view.
• Adjust the view to be narrow.
• Observe that the tabbar icons overflow.

Additional Information

Operating System: Ubuntu 24.04
Theia Version: Theia IDE Preview 1.60.0 and Theia master