Use mutable iterators where required

src/kitemviews/kfileitemmodel.cpp

@@ -917,7 +917,9 @@ void KFileItemModel::slotCompleted()
         // Note that the parent folder must be expanded before any of its subfolders become visible.
         // Therefore, some URLs in m_restoredExpandedUrls might not be visible yet
         // -> we expand the first visible URL we find in m_restoredExpandedUrls.
-        for (const QUrl& url : qAsConst(m_urlsToExpand)) {
+        QMutableSetIterator<QUrl> it(m_urlsToExpand);
+        while (it.hasNext()) {
+            const QUrl url = it.next();
             const int indexForUrl = index(url);
             if (indexForUrl >= 0) {
                 m_urlsToExpand.remove(url);

src/kitemviews/kfileitemmodelrolesupdater.cpp

@@ -943,7 +943,9 @@ void KFileItemModelRolesUpdater::updateChangedItems()
     QList<int> visibleChangedIndexes;
     QList<int> invisibleChangedIndexes;
 
-    for (const KFileItem& item : qAsConst(m_changedItems)) {
+    QMutableSetIterator<KFileItem> it(m_changedItems);
+    while (it.hasNext()) {
+        const KFileItem item = it.next();
         const int index = m_model->index(item);
 
         if (index < 0) {

src/kitemviews/kitemlistview.cpp

@@ -1155,7 +1155,10 @@ void KItemListView::slotItemsRemoved(const KItemRangeList& itemRanges)
         QVector<int> itemsToMove;
 
         // Remove all KItemListWidget instances that got deleted
-        for (KItemListWidget* widget : qAsConst(m_visibleItems)) {
+        QMutableHashIterator<int, KItemListWidget*> it(m_visibleItems);
+        while (it.hasNext()) {
+            it.next();
+            KItemListWidget* widget = it.value();
             const int i = widget->index();
             if (i < firstRemovedIndex) {
                 continue;