Clear formatting if there is no number

Task-number: QTCREATORBUG-10132
Change-Id: Ib0f6deac4d66273a1a2cc59d397134588fbd3032
Reviewed-by: Orgad Shaneh <orgads@gmail.com>

src/libs/utils/ansiescapecodehandler.cpp

@@ -115,6 +115,11 @@ QList<StringFormatPair> AnsiEscapeCodeHandler::parseText(const QString &text,
             }
             strippedText.remove(0, 1);
 
+            if (numbers.isEmpty()) {
+                charFormat = defaultFormat;
+                endFormatScope();
+            }
+
             for (int i = 0; i < numbers.size(); ++i) {
                 const int code = numbers.at(i).toInt();