"Unable to find style 'VideoClipImporterLabel' in skin 'GameSkin' " warning thrown when converting the Video Clip Inspector to a floating window in Play mode

Steps to reproduce:

1. Create a new 3D URP project
2. Import the attached "mov_title.mp4" into the project
3. Enter Play mode
4. From the Project window, select the "mov_title.mp4" asset
5. In the Inspector, next to preview click on the three dots and Convert to Floating Window
6. Observe the Console

Actual results: Two "Unable to find style 'VideoClipImporterLabel' in skin 'GameSkin' <called outside OnGUI>
UnityEditor.GenericMenu:CatchMenu (object,string[],int)" warnings are shown

Expected results: No warnings are shown

Reproducible with versions: 6000.0.0f1, 6000.3.17f1, 6000.4.11f1, 6000.5.0b12, 6000.6.0a6

Tested on (OS): Windows 11

Notes:

• On some versions this error is thrown too after exiting play mode: VideoClipImporterInspector.OnEnable must call base.OnEnable to avoid unexpected behaviour.
  UnityEditor.PreviewWindow:OnDisable ()