fix: reset wide bar settings when the list of actions changes

This prevents changes to the actions to cause non-intuitive issues in
the Wide bar, hiding items that previously weren't hidden.

Signed-off-by: flow <flowlnlnln@gmail.com>

launcher/ui/widgets/WideBar.h

@@ -41,6 +41,10 @@ class WideBar : public QToolBar {
 
     auto getMatching(QAction* act) -> QList<BarEntry>::iterator;
 
+    /** Used to distinguish between versions of the WideBar with different actions */
+    [[nodiscard]] QByteArray getHash() const;
+    [[nodiscard]] bool checkHash(QByteArray const&) const;
+
    private:
     QList<BarEntry> m_entries;