Merge remote-tracking branch 'origin/release/21.08'

src/folder/foldertreewidgetproxymodel.cpp

@@ -35,6 +35,7 @@ public:
 
     bool checkQuotaExcedded(const QModelIndex &index, qreal &percentage)
     {
+        if (threshold >= 0.0) {
             if (index.model()->hasChildren(index)) {
                 const int rowCount = index.model()->rowCount(index);
                 for (int row = 0; row < rowCount; row++) {
@@ -53,6 +54,7 @@ public:
                     }
                 }
             }
+        }
         return false;
     }
 
@@ -60,7 +62,7 @@ public:
     Akonadi::MimeTypeChecker checker;
 
     QColor brokenAccountColor;
-    qreal threshold = 0.0;
+    qreal threshold = -1.0;
     FolderTreeWidgetProxyModel *const q;
     bool enableCheck = false;
     bool hideVirtualFolder = false;