ENH:reduce unnecessary filament in obj import

jira: none
Change-Id: I417b889204e4fa6f9dc2860695ef71518a5f6095
(cherry picked from commit bdde293d45de5e90d096e4856dcc6fde671528b3)

src/slic3r/GUI/ObjColorDialog.hpp

@@ -46,6 +46,7 @@ private:
     void update_color_icon_and_rgba_sizer(int id, const wxColour &color);
     ComboBox* CreateEditorCtrl(wxWindow *parent,int id);
     void draw_table();
+    void update_new_add_final_colors();
     void show_sizer(wxSizer *sizer, bool show);
     void redraw_part_table();
     void deal_approximate_match_btn();
@@ -83,9 +84,11 @@ private:
     int m_input_colors_size{0};
     std::vector<wxColour> m_colours;//from project and show right
     std::vector<int>      m_cluster_map_filaments;//show middle
+    int                   m_max_filament_index = 0;
     std::vector<wxColour> m_cluster_colours;//from_algo and show left
     bool                  m_can_add_filament{true};
     std::vector<wxColour> m_new_add_colors;
+    std::vector<wxColour> m_new_add_final_colors;
     //algo result
     std::vector<Slic3r::RGBA> m_cluster_colors_from_algo;
     std::vector<int>          m_cluster_labels_from_algo;