Changed Command autocomplete to pick a suggestion when space is pressed

web/react/components/suggestion/command_provider.jsx

@@ -40,6 +40,7 @@ export default class CommandProvider {
     handlePretextChanged(suggestionId, pretext) {
         if (pretext.startsWith('/')) {
             SuggestionStore.setMatchedPretext(suggestionId, pretext);
+            SuggestionStore.setCompleteOnSpace(suggestionId, false);
 
             AsyncClient.getSuggestedCommands(pretext, suggestionId, CommandSuggestion);
         }

web/react/components/suggestion/suggestion_box.jsx

@@ -116,7 +116,7 @@ export default class SuggestionBox extends React.Component {
             } else if (e.which === KeyCodes.DOWN) {
                 EventHelpers.emitSelectNextSuggestion(this.suggestionId);
                 e.preventDefault();
-            } else if (e.which === KeyCodes.SPACE || e.which === KeyCodes.ENTER) {
+            } else if (e.which === KeyCodes.ENTER || (e.which === KeyCodes.SPACE && SuggestionStore.shouldCompleteOnSpace(this.suggestionId))) {
                 EventHelpers.emitCompleteWordSuggestion(this.suggestionId);
                 e.preventDefault();
             } else if (this.props.onKeyDown) {