Fixed bug not updating GroupCreationTab after a new contact was added

Fixes #35

client/src/main/java/envoy/client/ui/controller/ContactSearchTab.java

@@ -42,9 +42,10 @@ public class ContactSearchTab implements EventListener {
 	@FXML
 	private ListView<User> userList;
 
-	private Alert alert = new Alert(AlertType.CONFIRMATION);
 	private User currentlySelectedUser;
 
+	private final Alert alert = new Alert(AlertType.CONFIRMATION);
+
 	private static final EventBus	eventBus	= EventBus.getInstance();
 	private static final Logger		logger		= EnvoyLog.getLogger(ChatScene.class);
 
@@ -69,7 +70,7 @@ public class ContactSearchTab implements EventListener {
 	}
 
 	/**
-	 * Disables the clear and search button if no text is present in the search bar.
+	 * If text is present, sends a request to the server.
 	 *
 	 * @since Envoy Client v0.1-beta
 	 */
@@ -102,7 +103,7 @@ public class ContactSearchTab implements EventListener {
 	private void userListClicked() {
 		final var user = userList.getSelectionModel().getSelectedItem();
 		if (user != null) {
-			currentlySelectedUser	= user;
+			currentlySelectedUser = user;
 			final var event = new ContactOperation(currentlySelectedUser, ElementOperation.ADD);
 			// Sends the event to the server
 			eventBus.dispatch(new SendEvent(event));