Utils: Add sorted() function

For simpler calling code.

Change-Id: Ia0a16a28770fd172f74d06a626148248bf5d3c0c
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>

src/libs/utils/id.cpp

@@ -224,9 +224,7 @@ QSet<Id> Id::fromStringList(const QStringList &list)
 
 QStringList Id::toStringList(const QSet<Id> &ids)
 {
-    QList<Id> idList = toList(ids);
-    sort(idList);
-    return transform(idList, &Id::toString);
+    return transform(sorted(toList(ids)), &Id::toString);
 }
 
 /*!