Fix variable query editor, #1590

src/datasource/components/VariableQueryEditor.tsx

@@ -87,10 +87,10 @@ export class ZabbixVariableQueryEditor extends PureComponent<VariableQueryProps,
     this.props.onChange(queryModel, `Zabbix - ${queryType}`);
   };
 
-  async render() {
+  render() {
     const { selectedQueryType, legacyQuery, group, host, application, itemTag, item } = this.state;
     const { datasource } = this.props;
-    const supportsItemTags = (await datasource?.zabbix?.isZabbix54OrHigher()) || false;
+    const supportsItemTags = datasource?.zabbix?.isZabbix54OrHigherSync() || false;
 
     return (
       <>

src/datasource/zabbix/zabbix.ts

@@ -261,6 +261,10 @@ export class Zabbix implements ZabbixConnector {
     return version ? semver.gte(version, '5.4.0') : false;
   }
 
+  isZabbix54OrHigherSync() {
+    return this.version ? semver.gte(this.version, '5.4.0') : false;
+  }
+
   getItemsFromTarget(target, options) {
     const parts = ['group', 'host', 'application', 'itemTag', 'item'];
     const filters = _.map(parts, (p) => target[p].filter);