chore(frontend): reduce redundancies

frontend/src/ui.js

@@ -1,5 +1,6 @@
 // Global utility functions related with UI functionality
 
+import { ref } from 'vue';
 import router from './router'
 
 export function goto (path) {
@@ -33,6 +34,15 @@ export function contextMenu (entries) {
     });
 }
 
+// Helper object to manage track toggable ui elements
+export function useToggleSet () {
+  const state = ref({});
+  return {
+    has(key) { return Boolean(state.value[key]); },
+    toggle(key) { state.value[key] = !state.value[key]; },
+  };
+}
+
 
 // === Events === //