FIX: seprate filament_type and display_filament_type

special case for "Support G" and "Support W"

Change-Id: I26f873083d6afb58fb10ebc9beef54fbf5e18320
Signed-off-by: Stone Li <stone.li@bambulab.com>

src/slic3r/GUI/DeviceManager.hpp

@@ -167,6 +167,8 @@ public:
 
     bool is_tray_info_ready();
     bool is_unset_third_filament();
+    std::string get_display_filament_type();
+    std::string get_filament_type();
 };