debugger: add dumper for Core::Id

Change-Id: Ibcc5b0e80acf037ed87b79ae4f52a1b0677388eb
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/coreplugin/id.cpp

@@ -134,4 +134,10 @@ QString Id::toString() const
     return QString::fromUtf8(stringFromId[m_id]);
 }
 
+// For debugging purposes
+CORE_EXPORT const char *nameForId(int id)
+{
+    return (stringFromId.constData() + id)->constData();
+}
+
 } // namespace Core