PLT-5179 - Fixing modal overflow for autocomplete (#5002)

* PLT-5179 - Fixing modal overflow for autocomplete

* PLT-5171 - Fixing search bar popover behaviour

webapp/components/suggestion/suggestion_box.jsx

@@ -64,6 +64,7 @@ export default class SuggestionBox extends React.Component {
             // Delay this slightly so that we don't clear the suggestions before we run click handlers on SuggestionList
             GlobalActions.emitClearSuggestions(this.suggestionId);
         }, 100);
+        this.props.onBlur();
     }
 
     handleChange(e) {
@@ -272,6 +273,7 @@ SuggestionBox.propTypes = {
     renderDividers: React.PropTypes.bool,
 
     // explicitly name any input event handlers we override and need to manually call
+    onBlur: React.PropTypes.func,
     onChange: React.PropTypes.func,
     onKeyDown: React.PropTypes.func,
     onItemSelected: React.PropTypes.func