Re-implement UI reskin with working legacy toggle

Re-implement UI reskin with working legacy toggle; add return to title option to menu

src/ui/ui-handler.ts

@@ -1,4 +1,5 @@
 import BattleScene, { Button } from "../battle-scene";
+import { TextStyle, getTextColor } from "./text";
 import UI, { Mode } from "./ui";
 
 export default abstract class UiHandler {
@@ -26,6 +27,10 @@ export default abstract class UiHandler {
     return this.scene.ui;
   }
 
+  getTextColor(style: TextStyle, shadow: boolean = false): string {
+    return getTextColor(style, shadow, this.scene.uiTheme);
+  }
+
   getCursor(): integer {
     return this.cursor;
   }