Pressing Animation window play button doesn't unfocus last opened dropdown menu

Steps to reproduce:

1. Create a new project
2. Open Window > Animation > Animation
3. Create an Animation Clip for any game object
4. Press Animation Clip dropdown to open it (just below the Preview button)
5. Press on the dropdown again to close it
6. Press Play button in the Animation window
7. Press 'space' keybaord button to stop the animation

Actual results: dropdown menu gets opened as it still has focus

Expected results: pressing Play button removes focus from previously opened dropdown menu

Reproducible with versions: 
2022.3.65f1, 6000.0.55f1, 6000.1.15f1, 6000.2.0f1, 6000.3.0a4

Tested on (OS): 
Macbook M1 MacOS Sequoia 15.5