Default duration to minutes, only show alerting on metrics explorer (#61058)

Author: phillipb

x-pack/plugins/infra/public/components/alerting/metrics/expression.tsx

@@ -70,7 +70,7 @@ export const Expressions: React.FC<Props> = props => {
   const { setAlertParams, alertParams, errors, alertsContext } = props;
   const { source, createDerivedIndexPattern } = useSource({ sourceId: 'default' });
   const [timeSize, setTimeSize] = useState<number | undefined>(1);
-  const [timeUnit, setTimeUnit] = useState<TimeUnit>('s');
+  const [timeUnit, setTimeUnit] = useState<TimeUnit>('m');
 
   const derivedIndexPattern = useMemo(() => createDerivedIndexPattern('metrics'), [
     createDerivedIndexPattern,
@@ -93,7 +93,7 @@ export const Expressions: React.FC<Props> = props => {
       comparator: '>',
       threshold: [],
       timeSize: 1,
-      timeUnit: 's',
+      timeUnit: 'm',
       indexPattern: source?.configuration.metricAlias,
     }),
     [source]

x-pack/plugins/infra/public/pages/infrastructure/index.tsx

@@ -91,7 +91,7 @@ export const InfrastructurePage = ({ match }: RouteComponentProps) => {
               />
             </EuiFlexItem>
             <EuiFlexItem grow={false}>
-              <AlertDropdown />
+              <Route path={'/explorer'} component={AlertDropdown} />
             </EuiFlexItem>
           </EuiFlexGroup>
         </AppNavigation>