Fix ChoiceButtonDialog: resolve notification type issue causing fallback to confirm dialog

- Fixed open() method to use customModal notification type instead of notify.confirm()
- Resolved issue where empty text was triggering standard confirm dialog
- Now properly displays custom dialog with 3 sharing options as intended
- Maintains all template streamlining and type safety improvements
- Lint validation successful (no errors)

Bug fix: ChoiceButtonDialog now shows proper 3-option dialog instead of yes/no confirm

src/components/ChoiceButtonDialog.vue

@@ -186,9 +186,15 @@ export default class PromptDialog extends Vue {
     this.onOption3 = options.onOption3;
     this.onCancel = options.onCancel;
 
-    this.notify.confirm(
-      this.text,
-      async () => {}, // No-op for onYes, handled by custom buttons
+    // Use customModal notification type instead of confirm
+    this.$notify(
+      {
+        group: "customModal",
+        type: "custom",
+        title: this.title,
+        text: this.text,
+        id: "choice-button-dialog",
+      },
       TIMEOUTS.MODAL,
     );
   }