Fixed black rects for extruder colors, when we load 3mf project with MM-printer profile and extruder colors is set to the filament colors

+ Fixed a bug with updating colors in extruder editors in ObjectList, when we use filaments colors for extruders and some filament profile is switched

src/slic3r/GUI/Plater.hpp

@@ -233,6 +233,7 @@ public:
     void leave_gizmos_stack();
 
     void on_extruders_change(size_t extruders_count);
+    bool update_filament_colors_in_full_config();
     void on_config_change(const DynamicPrintConfig &config);
     void force_filament_colors_update();
     void force_print_bed_update();