Ensure contract of Collections#synchronizedList

Looping over a synchronized list must either manually synchronize over the list or use the "atomic" List#forEach method.

theme/src/main/java/com/github/weisj/darklaf/theme/event/ThemeEventSupport.java

@@ -43,10 +43,8 @@ public class ThemeEventSupport<E extends ThemeEvent, T extends ThemeEventListene
     }
 
     public void dispatchEvent(final E event, final BiConsumer<T, E> consumer) {
-        for (T listener : listenerList) {
+        listenerList.forEach(listener -> {
-            if (listener != null) {
+            if (listener != null) consumer.accept(listener, event);
-                consumer.accept(listener, event);
+        });
-            }
-        }
     }
 }