ENH: speed up filament delete

jira:NONE

Signed-off-by: xun.zhang <xun.zhang@bambulab.com>
Change-Id: I0878962d52fe4f7d2976a49b632714ea8d7c42a1
(cherry picked from commit ccd3612780d8cd913aa7fbdd56c6adccfc1a0093)

src/slic3r/GUI/Plater.cpp

@@ -2593,8 +2593,8 @@ void Sidebar::on_filaments_delete(size_t filament_id)
         }
     }
 
-    for (PlaterPresetComboBox *filament_combo : p->combos_filament) {
-        filament_combo->update();
+    for (size_t idx = filament_id ; idx < p->combos_filament.size(); ++idx) {
+        p->combos_filament[idx]->update();
     }
 
     Layout();