Doc: Fix ambiguous link

Using square brackets to disambiguate a link doesn't seem to work with
the \sa command. For now, re-write to use \l to make sure the link goes
to where it's supposed to.

Task-number: QTBUG-114073
Pick-to: 6.6 6.5
Change-Id: Id23844df752c30a8d02a362e91632ad2339ad8e8
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

src/qml/qml/qqmlengine.cpp

@@ -1680,7 +1680,8 @@ void QQmlEnginePrivate::cleanupScarceResources()
 
   The newly added \a path will be first in the importPathList().
 
-  \sa setImportPathList(), {QML Modules}, {QML Import Path}
+  \b {See also} \l setImportPathList(), \l {QML Modules},
+    and \l [QtQml] {QML Import Path}
 */
 void QQmlEngine::addImportPath(const QString& path)
 {