fix: enable middle mouse pan in autocomplete text widget

Remove pointer event .stop modifiers from textarea to allow events
to propagate to container where forwardMiddleMouseToCanvas forwards them
to ComfyUI canvas for pan functionality

vue-widgets/src/components/AutocompleteTextWidget.vue

@@ -6,9 +6,6 @@
       :spellcheck="spellcheck ?? false"
       :class="['text-input', { 'vue-dom-mode': isVueDomMode }]"
       @input="onInput"
-      @pointerdown.stop
-      @pointermove.stop
-      @pointerup.stop
     />
   </div>
 </template>