add cmd+scroll zooming to template builder

app/javascript/template_builder/area.vue

@@ -197,7 +197,8 @@
           v-else-if="!isCheckboxInput"
           width="100%"
           height="100%"
-          class="max-h-10 opacity-50"
+          class="opacity-50"
+          :style="{ maxHeight: isInlineSize ? '5cqmin' : '40px' }"
         />
       </span>
     </div>