In UI Toolkit Event Debugger, On resizing the window height 'Timestamp', 'Event', 'Target' these options get overlapped. Refer attached video

Step to Reproduce:
1. Create a New project.
2. Window > UI Toolkit > Event Debugger
3. Dock the Event Debugger window > Decrease the height.
4. Observe the Event Debugger options position.

Actual Result:
UI Toolkit Event Debugger options get overlapped on resizing window.

Expected Result:
on resizing the UI Toolkit Event Debugger window its options should also present gracefully.

Occurring in:
2021.2.0a19, 2021.2.0a18.

Note: Event Debugger window is introduced in 2021.2.0a18

Environment:
Windows 10 and macOS 10.15