feat: add feature flag

Signed-off-by: Yi-Ya Chen <yiya.chen@suse.com>

pkg/harvester/models/harvesterhci.io.virtualmachinetemplateversion.js

@@ -272,4 +272,8 @@ export default class HciVmTemplateVersion extends HarvesterResource {
 
     this.spec.vm.spec.template.metadata['labels'] = { ...wasIgnored, ...val };
   }
+
+  get persistentStateFeatureEnabled() {
+    return this.$rootGetters['harvester-common/getFeatureEnabled']('VMPersistentState');
+  }
 }

pkg/harvester/models/kubevirt.io.virtualmachine.js

@@ -1175,6 +1175,10 @@ export default class VirtVm extends HarvesterResource {
     return this.$rootGetters['harvester-common/getFeatureEnabled']('volumeEncryption');
   }
 
+  get persistentStateFeatureEnabled() {
+    return this.$rootGetters['harvester-common/getFeatureEnabled']('VMPersistentState');
+  }
+
   setInstanceLabels(val) {
     if ( !this.spec?.template?.metadata?.labels ) {
       set(this, 'spec.template.metadata.labels', {});