How to reproduce:
1. Open the attached project "MainToolbarPinRepro"
2. Go to Repro -> "Bug 2 - Pin the 20 bulk menu items"
3. Observe the right-hand side of the Main Toolbar and the Console
Expected results: There is an arrow to move horizontally in the Toolbar to access all controls
Actual results: There is no arrow and some controls can't be accessed
Reproducible with: 6000.7.0a4, 6000.7.0b1
Not reproducible with: 6000.7.0a3 (No features)
Reproducible on: macOS Tahoe 26 (M1), 1728 px wide Editor window
Not reproducible on: No other environment tested
Note: The arrow appears only after moving the Toolbar with the trackpad gesture, initially, it doesn't appear