fix typo. Label.disabledForeground should delegate logic to the method with the same name

platform/util/src/com/intellij/util/ui/JBUI.java

@@ -1447,7 +1447,7 @@ public class JBUI {
       }
 
       public static Color disabledForeground() {
-        return foreground(false);
+        return disabledForeground(false);
       }
     }
   }