feat(buttonNavigation): expose readonly selected button and new select function, to allow user to select any button with path animation

app/composables/useButtonNavigation.ts

@@ -322,8 +322,16 @@ export const useButtonNavigation = <T extends Record<string, Rect>>({
     }
   });
 
+  const select = (targetButton: Entry) => {
+    if (isAnimating.value || disabled?.value) return;
+
+    const path = findPath(graph, selectedButton.value, targetButton);
+    animateToButton(targetButton, path);
+  };
+
   return {
-    selectedButton,
+    selected: readonly(selectedButton),
     selectorPosition,
+    select,
   };
 };