Fix inserting on extra curly brace upon pressing enter key.

Special handling of the case in which the current token is
Token::RightBrace. This works in every case *except* for nested braces
without separator between them.

Change-Id: Ief625086c4d33ba77b36b1181e78cad124feb7a9
Reviewed-by: Erik Verbruggen <erik.verbruggen@theqtcompany.com>

src/plugins/qmljseditor/qmljsautocompleter.cpp

@@ -179,6 +179,9 @@ bool AutoCompleter::contextAllowsAutoParentheses(const QTextCursor &cursor,
     case Token::Comment:
         return false;
 
+    case Token::RightBrace:
+        return false;
+
     case Token::String: {
         const QString blockText = cursor.block().text();
         const QStringRef tokenText = blockText.midRef(token.offset, token.length);