bug#69525: 30.0.50; MacOS: New warnings on stderr

[Eli Zaretskii]

> From: Gerd Möllmann <gerd.moellmann@gmail.com>
> Date: Sun, 03 Mar 2024 17:18:42 +0100
> 
> The following warnings are printed to stderr, which I haven't seen
> previously. Maybe canBecomeKeyWindow should be implemented?
> 
> 2024-03-03 17:10:16.334906+0100 emacs[12805:61381] [Window] Warning: 
> -[NSWindow makeKeyWindow] called on EmacsWindow 0x7f7d90a34030 which returned 
> NO from -[NSWindow canBecomeKeyWindow].
> 2024-03-03 17:10:35.434255+0100 emacs[12805:61381] [CursorUI] 
> -[TUINSCursorUIController activate:]: EmacsView doesn't conform to 
> NSTextInputClient protocol.
> 2024-03-03 17:10:37.073109+0100 emacs[12805:61381] [Window] Warning: 
> -[NSWindow makeKeyWindow] called on EmacsWindow 0x7f7d90a34030 which returned 
> NO from -[NSWindow canBecomeKeyWindow].
> 2024-03-03 17:13:19.141805+0100 emacs[12805:61381] [CursorUI] 
> -[TUINSCursorUIController activate:]: EmacsView doesn't conform to 
> NSTextInputClient protocol.

Alan, any ideas or suggestions?