fix window not closing after confirming on macos

[danyadev]

sometimes the game closing confirmation leads to no-op, sometimes it leads to a crash without mc or java reports, only macos shows a crash report with following details:

Crashed Thread:        69  Java: Thread-19

Exception Type:        EXC_BREAKPOINT (SIGTRAP)
Exception Codes:       0x0000000000000001, 0x00000001a19e7cc0

Termination Reason:    Namespace SIGNAL, Code 5 Trace/BPT trap: 5
Terminating Process:   exc handler [23476]

Application Specific Information:
Must only be used from the main thread

Thread 69 Crashed:: Java: Thread-19
0   AppKit                        	       0x1a19e7cc0 -[NSWMWindowCoordinator performTransactionUsingBlock:] + 752
1   AppKit                        	       0x1a1816a00 -[NSWindow(NSWMWindowManagement) window:didUpdateWithChangedProperties:] + 104
2   WindowManagement              	       0x27d80a720 -[_WMWindow performUpdatesUsingBlock:] + 100
3   WindowManagement              	       0x27d809714 -[_WMWindow applyTags:mask:] + 712
4   AppKit                        	       0x1a0e17934 -[NSWindow becomeKeyWindow] + 552
5   AppKit                        	       0x1a0dbf494 -[NSWindow _changeKeyAndMainLimitedOK:] + 740
6   AppKit                        	       0x1a0dbf170 -[NSWindow makeKeyWindow] + 160
7   AppKit                        	       0x1a0dbef34 -[NSWindow _makeKeyRegardlessOfVisibility] + 56
8   AppKit                        	       0x1a0db77e8 -[NSWindow makeKeyAndOrderFront:] + 24
9   libSDL3.dylib                 	       0x1283d9fe0 0x128258000 + 1581024
10  libSDL3.dylib                 	       0x12837e83c 0x128258000 + 1206332
11  ???                           	       0x11518df3c ???
12  ???                           	       0x10e1f7da0 ???

fixes https://discord.com/channels/181078474394566657/522098956491030558/1483872856969445467