MSW_DarkMode: Next Improvements

* Refreshed title bar for all Dialogs and MainFrame
* Refreshed header of the DataViewCtrl and ListView
* Refresh tooltips
* Redraw SpinCtrls
* Use system menu with is colored in respect to the color mode
* Preferences: Added parameter "Use system menu for application" and moved to the "Dark mode" tab with "Enable Dark mode parameter"

src/slic3r/GUI/Search.hpp

@@ -138,6 +138,8 @@ public:
     void sort_options_by_label() { sort_options(); }
 
     void show_dialog();
+    void dlg_sys_color_changed();
+    void dlg_msw_rescale();
 };
 
 
@@ -180,9 +182,11 @@ public:
     void Popup(wxPoint position = wxDefaultPosition);
     void ProcessSelection(wxDataViewItem selection);
 
-protected:
-    void on_dpi_changed(const wxRect& suggested_rect) override;
+    void msw_rescale();
     void on_sys_color_changed() override;
+
+protected:
+    void on_dpi_changed(const wxRect& suggested_rect) override { msw_rescale(); }
 };