Prevent multi-select dropdown menu from floating on scrolling through the form

Author: Pearl1594

ui/src/views/offering/AddComputeOffering.vue

@@ -307,6 +307,7 @@
             mode="multiple"
             v-model:value="form.zoneid"
             showSearch
+            :getPopupContainer="(trigger) => trigger.parentNode"
             optionFilterProp="label"
             :filterOption="(input, option) => {
               return option.label.toLowerCase().indexOf(input.toLowerCase()) >= 0