feat: remove usage of .sync and define explicitly emits (#10209)

References

- https://v3-migration.vuejs.org/breaking-changes/v-model
-
https://v3-migration.vuejs.org/breaking-changes/v-on-native-modifier-removed.html

app/javascript/dashboard/components/widgets/conversation/bubble/Text.vue

@@ -106,7 +106,7 @@ export default {
     </button>
     <GalleryView
       v-if="showGalleryViewer"
-      :show.sync="showGalleryViewer"
+      v-model:show="showGalleryViewer"
       :attachment="attachment"
       :all-attachments="availableAttachments"
       @error="onClose"