Merge pull request #22842 from asmorkalov:as/pr_22737_backport

backport #22737: Cocoa/highgui: Set [NSApp activateIgnoringOtherApps] to spawn window on top

modules/highgui/src/window_cocoa.mm

@@ -579,6 +579,8 @@ CV_IMPL int cvNamedWindow( const char* name, int flags )
 
     [window setContentView:[[CVView alloc] init]];
 
+    [NSApp activateIgnoringOtherApps:YES];
+
     [window setHasShadow:YES];
     [window setAcceptsMouseMovedEvents:YES];
     [window useOptimizedDrawing:YES];