Use NSTrackingActiveWhenFirstResponder

platform/macos/godot_content_view.mm

@@ -622,7 +622,7 @@
 		[self removeTrackingArea:tracking_area];
 	}
 
-	NSTrackingAreaOptions options = NSTrackingMouseEnteredAndExited | NSTrackingActiveInKeyWindow | NSTrackingCursorUpdate | NSTrackingInVisibleRect;
+	NSTrackingAreaOptions options = NSTrackingMouseEnteredAndExited | NSTrackingActiveWhenFirstResponder | NSTrackingCursorUpdate | NSTrackingInVisibleRect;
 	tracking_area = [[NSTrackingArea alloc] initWithRect:[self bounds] options:options owner:self userInfo:nil];
 
 	[self addTrackingArea:tracking_area];