[Enterprise Search] Enable minute scheduling for full-sync (elastic#1…

…69510)

## Summary

Enable minute scheduling for full content sync

https://github.com/elastic/kibana/assets/1410658/0c4b2c00-dac7-4d64-8406-cf34b7775f8b

### Checklist

- [ ] [Unit or functional
tests](https://www.elastic.co/guide/en/kibana/master/development-tests.html)
were updated or added to match the most common scenarios
- [x] Any UI touched in this PR is usable by keyboard only (learn more
about [keyboard accessibility](https://webaim.org/techniques/keyboard/))
- [x] Any UI touched in this PR does not create any new axe failures
(run axe in browser:
[FF](https://addons.mozilla.org/en-US/firefox/addon/axe-devtools/),
[Chrome](https://chrome.google.com/webstore/detail/axe-web-accessibility-tes/lhdoppojpmngadmnindnejefpokejbdd?hl=en-US))
- [x] This renders correctly on smaller devices using a responsive
layout. (You can test this [in your
browser](https://www.browserstack.com/guide/responsive-testing-on-local-server))

(cherry picked from commit 136cdfa)

x-pack/plugins/enterprise_search/public/applications/enterprise_search_content/components/search_index/connector/connector_scheduling/full_content.tsx

@@ -215,7 +215,9 @@ export const ConnectorContentScheduling: React.FC<ConnectorContentSchedulingProp
             <EuiFlexItem>
               <ConnectorCronEditor
                 disabled={isGated}
-                frequencyBlockList={type === SyncJobType.ACCESS_CONTROL ? [] : undefined}
+                frequencyBlockList={
+                  type === SyncJobType.ACCESS_CONTROL || type === SyncJobType.FULL ? [] : undefined
+                }
                 scheduling={scheduling[type]}
                 type={type}
                 onReset={() => {