Added missed update for a config after extruder change from the ObjectList.

Fixed erase "tool_change" ticks from ticks set.

src/slic3r/GUI/GUI_ObjectList.cpp

@@ -917,6 +917,7 @@ void ObjectList::extruder_editing()
             m_objects_model->SetExtruder(m_extruder_editor->GetString(selection), item);
 
         m_extruder_editor->Hide();
+        update_extruder_in_config(item);
     };
 
     // to avoid event propagation to other sidebar items

src/slic3r/GUI/wxExtensions.cpp

@@ -3744,10 +3744,19 @@ void DoubleSlider::edit_extruder_sequence()
     if (dlg.ShowModal() != wxID_OK)
         return;
 
-    m_extruders_sequence = dlg.GetValue();
+    const ExtrudersSequence& from_dlg_val = dlg.GetValue();
+    if (m_extruders_sequence == from_dlg_val)
+        return;
 
-    m_ticks_.erase(std::remove_if(m_ticks_.begin(), m_ticks_.end(),
-        [](TICK_CODE tick) { return tick.gcode == Slic3r::ExtruderChangeCode; }), m_ticks_.end());
+    m_extruders_sequence = from_dlg_val;
+
+    auto it = m_ticks_.begin();
+    while (it != m_ticks_.end()) {
+        if (it->gcode == Slic3r::ExtruderChangeCode)
+            it = m_ticks_.erase(it);
+        else
+            ++it;
+    }
 
     int tick = 0;
     double value = 0.0;

src/slic3r/GUI/wxExtensions.hpp

@@ -1014,6 +1014,20 @@ public:
 
             return *this;
         }
+        bool operator==(const ExtrudersSequence& other) const
+        {
+            return  (other.is_mm_intervals      == this->is_mm_intervals    ) &&
+                    (other.interval_by_mm       == this->interval_by_mm     ) &&
+                    (other.interval_by_layers   == this->interval_by_layers ) &&
+                    (other.extruders            == this->extruders          ) ;
+        }
+        bool operator!=(const ExtrudersSequence& other) const
+        {
+            return  (other.is_mm_intervals      != this->is_mm_intervals    ) &&
+                    (other.interval_by_mm       != this->interval_by_mm     ) &&
+                    (other.interval_by_layers   != this->interval_by_layers ) &&
+                    (other.extruders            != this->extruders          ) ;
+        }
 
         void add_extruder(size_t pos)
         {