NEW: add Device view for third-party printers

cherry-picked from SoftFever

Change-Id: I36b2fa0227886e4fac494c8b83e12f4fc0b04e17
Signed-off-by: Stone Li <stone.li@bambulab.com>

src/slic3r/GUI/Widgets/ComboBox.hpp

@@ -43,6 +43,8 @@ public:
 
     void SetSelection(int n) override;
 
+    void SelectAndNotify(int n);
+
     virtual void Rescale() override;
 
     wxString GetValue() const;