Fix usage of Qt::CheckStateRole in preview model

Qt::CheckStateRole expects an enum, not a bool

Also set the flag that the item it user checkable, otherwise it can't be changed

BUG: 471999

1 files changed, 2 insertions, 1 deletions

diff --git a/src/settings/servicemodel.h b/src/settings/servicemodel.h
index 23c752e93..7a8607926 100644
--- a/src/settings/servicemodel.h
+++ b/src/settings/servicemodel.h
@@ -35,10 +35,11 @@ public:
     QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
     int rowCount(const QModelIndex &parent = QModelIndex()) const override;
     void clear();
+    Qt::ItemFlags flags(const QModelIndex &index) const override;
 
 private:
     struct ServiceItem {
-        bool checked;
+        Qt::CheckState checked;
         bool configurable;
         QString icon;
         QString text;