Port away from QList::toSet()

The QSet range constructor requires Qt 5.14.

In `DolphinView::slotHeaderContextMenuRequested()` the conversion from
QList to QSet was pointless, so we just use a QList now.

1 files changed, 2 insertions, 1 deletions

diff --git a/src/kitemviews/kstandarditemlistwidget.cpp b/src/kitemviews/kstandarditemlistwidget.cpp
index 3939fd237..daf765cc2 100644
--- a/src/kitemviews/kstandarditemlistwidget.cpp
+++ b/src/kitemviews/kstandarditemlistwidget.cpp
@@ -658,7 +658,8 @@ void KStandardItemListWidget::dataChanged(const QHash<QByteArray, QVariant>& cur
 
     QSet<QByteArray> dirtyRoles;
     if (roles.isEmpty()) {
-        dirtyRoles = visibleRoles().toSet();
+        const auto visibleRoles = this->visibleRoles();
+        dirtyRoles = QSet<QByteArray>(visibleRoles.constBegin(), visibleRoles.constEnd());
     } else {
         dirtyRoles = roles;
     }