ui: fix double metric selection in list

frontend/app/components/Dashboard/components/MetricsList/ListView.tsx

@@ -117,8 +117,6 @@ const ListView: React.FC<Props> = ({
     if (disableSelection) {
       const path = withSiteId(`/metrics/${metric.metricId}`, siteId);
       history.push(path);
-    } else {
-      toggleSelection?.(metric.metricId);
     }
   };
 

frontend/app/mstore/dashboardStore.ts

@@ -467,7 +467,7 @@ export default class DashboardStore {
     this.isSaving = true;
     try {
       try {
-        const response = await dashboardService.addWidget(dashboard, metricIds);
+        await dashboardService.addWidget(dashboard, metricIds);
         toast.success('Card added to dashboard.');
       } catch {
         toast.error('Card could not be added.');