Maximize and then Restore `Select a screen to share` window (with multimonitor configuration)

Linux Mint 20.3 Cinnamon beta
2 monitors of different sizes
jami-client-qt Version: 202112221430 deb edition from jami.net

1. Make an intercom audio call from Linux Mint to Android
2. Share screen (Screen 0 and Screen 1 are showing and the Windows heading is showing on a new line after All Screens)
   
3. Maximize the Select a screen to share window (red 1 in image)
4. Restore the Select a screen to share window (red 1 in image)
   

Bugs

• Windows heading is not shown on a new line (it is shown after All Screens (red 2 in image)
  
• Neither Screen 0 nor Screen 1 is showing (red 3 in image)

Are you able to reproduce? and please fix?

Thank you