Merge remote-tracking branch 'upstream/main' into Aristo3

AppKit/CPFontManager.j

@@ -208,7 +208,11 @@ CPRemoveTraitFontAction = 7;
 
 - (@action)addFontTrait:(id)sender
 {
-    var tag = [sender tag];
+    var tag = sender;
+
+    if ([sender respondsToSelector:@selector(tag)])
+        tag = [sender tag];
+
     _activeChange = tag == nil ? @{} : @{ @"addTraits": tag };
     _fontAction = CPAddTraitFontAction;