Use QStyle instead of KIconLoader for icon size

src/manager/kwalleteditor.cpp

@@ -619,7 +619,7 @@ void KWalletEditor::entrySelectionChanged(QTreeWidgetItem *item)
     if (fi) {
         _currentFolder = fi->name();
         _entryTitle->setText(QStringLiteral("<font size=\"+1\">%1</font>").arg(fi->text(0)));
-        _iconTitle->setPixmap(fi->getFolderIcon().pixmap(KIconLoader::global()->currentSize(KIconLoader::Toolbar)));
+        _iconTitle->setPixmap(fi->getFolderIcon().pixmap(style()->pixelMetric(QStyle::PixelMetric::PM_ToolBarIconSize)));
     }
 
     _displayedItem = item;