FIX:Fix the issue of importing GCode array out of bounds

jira: STUDIO-12389
Change-Id: Id7995558bf0e297e2360b338ffbf63d93efa38f0
(cherry picked from commit 6d15a9005769a7dbfb96bb28ce6b57e55bf1c435)

src/slic3r/GUI/Plater.cpp

@@ -12324,6 +12324,7 @@ void Plater::load_gcode(const wxString& filename)
 
     // process gcode
     GCodeProcessor processor;
+    processor.init_filament_maps_and_nozzle_type_when_import_only_gcode();
     try
     {
         GCodeProcessor::s_IsBBLPrinter = wxGetApp().preset_bundle->is_bbl_vendor();