Display FTS warning based on actual search term, not the one being typed (#11202)

Follow-up to #11112

app/javascript/mastodon/features/compose/containers/search_results_container.js

@@ -5,7 +5,7 @@ import { fetchSuggestions, dismissSuggestion } from '../../../actions/suggestion
 const mapStateToProps = state => ({
   results: state.getIn(['search', 'results']),
   suggestions: state.getIn(['suggestions', 'items']),
-  searchTerm: state.getIn(['search', 'value']),
+  searchTerm: state.getIn(['search', 'searchTerm']),
 });
 
 const mapDispatchToProps = dispatch => ({