fix: Widget phone number input country undefined in onSelectCountry (#9457)

* fix: Widget phone number input country undefined in onSelectCountry

* chore: Minor fix

app/javascript/widget/components/Form/PhoneInput.vue

@@ -39,6 +39,9 @@
       v-on-clickaway="closeDropdown"
       :class="dropdownBackgroundClass"
       class="country-dropdown h-48 overflow-y-auto z-10 absolute top-12 px-0 pt-0 pl-1 pr-1 pb-1 rounded shadow-lg"
+      @keydown.up="moveSelectionUp"
+      @keydown.down="moveSelectionDown"
+      @keydown.enter="onSelect"
     >
       <div class="sticky top-0" :class="dropdownBackgroundClass">
         <input
@@ -85,7 +88,6 @@
 <script>
 import countries from 'shared/constants/countries.js';
 import FluentIcon from 'shared/components/FluentIcon/Index.vue';
-import mentionSelectionKeyboardMixin from 'dashboard/components/widgets/mentions/mentionSelectionKeyboardMixin.js';
 import FormulateInputMixin from '@braid/vue-formulate/src/FormulateInputMixin';
 import darkModeMixin from 'widget/mixins/darkModeMixin';
 
@@ -93,7 +95,7 @@ export default {
   components: {
     FluentIcon,
   },
-  mixins: [mentionSelectionKeyboardMixin, FormulateInputMixin, darkModeMixin],
+  mixins: [FormulateInputMixin, darkModeMixin],
   props: {
     placeholder: {
       type: String,
@@ -185,6 +187,14 @@ export default {
       );
     },
   },
+  watch: {
+    items(newItems) {
+      if (newItems.length < this.selectedIndex + 1) {
+        // Reset the selected index to 0 if the new items length is less than the selected index.
+        this.selectedIndex = 0;
+      }
+    },
+  },
   methods: {
     setContextValue(code) {
       // This function is used to set the context value.
@@ -235,7 +245,26 @@ export default {
         this.scrollToFocusedOrActiveItem(this.focusedOrActiveItem('focus'));
       });
     },
+    adjustSelection(direction) {
+      if (!this.showDropdown) return;
+      const maxIndex = this.items.length - 1;
+      if (direction === 'up') {
+        this.selectedIndex =
+          this.selectedIndex <= 0 ? maxIndex : this.selectedIndex - 1;
+      } else if (direction === 'down') {
+        this.selectedIndex =
+          this.selectedIndex >= maxIndex ? 0 : this.selectedIndex + 1;
+      }
+      this.adjustScroll();
+    },
+    moveSelectionUp() {
+      this.adjustSelection('up');
+    },
+    moveSelectionDown() {
+      this.adjustSelection('down');
+    },
     onSelect() {
+      if (!this.showDropdown || this.selectedIndex === -1) return;
       this.onSelectCountry(this.items[this.selectedIndex]);
     },
     scrollToFocusedOrActiveItem(item) {