macOS Accessibility: Return window title for accessibilityTitle property in JuceNSWindowClass

modules/juce_gui_basics/native/juce_mac_NSViewComponentPeer.mm

@@ -2136,6 +2136,7 @@ struct JuceNSWindowClass   : public NSViewComponentPeerWrapper<ObjCClass<NSWindo
         addMethod (@selector (window:shouldPopUpDocumentPathMenu:), shouldPopUpPathMenu, "B@:@", @encode (NSMenu*));
         addMethod (@selector (isFlipped),                           isFlipped,                 "c@:");
 
+        addMethod (@selector (accessibilityTitle),                  getAccessibilityTitle,     "@@:");
         addMethod (@selector (accessibilityLabel),                  getAccessibilityLabel,     "@@:");
         addMethod (@selector (accessibilityTopLevelUIElement),      getAccessibilityWindow,    "@@:");
         addMethod (@selector (accessibilityWindow),                 getAccessibilityWindow,    "@@:");
@@ -2291,6 +2292,11 @@ private:
         return false;
     }
 
+    static NSString* getAccessibilityTitle (id self, SEL)
+    {
+        return [self title];
+    }
+
     static NSString* getAccessibilityLabel (id self, SEL)
     {
         return [getAccessibleChild (self) accessibilityLabel];