Ref T480 No need for QStringLiteral when concatenating with %, use UTF-16 string literals.

src/blackcore/db/databasereaderconfig.cpp

@@ -32,9 +32,9 @@ namespace BlackCore
         {
             return
                 CDbFlags::flagToString(this->getRetrievalMode()) %
-                QStringLiteral(" ") %
+                u' ' %
                 CEntityFlags::flagToString(this->getEntities()) %
-                QStringLiteral(" ") %
+                u' ' %
                 this->m_cacheLifetime.toQString(i18n);
         }