[PATH] make -custom- op compliant. Improve gcode_pre importer

src/Mod/Path/PathScripts/PathGuiInit.py

@@ -43,7 +43,8 @@ def Startup():
         from PathScripts import PathAdaptiveGui
         from PathScripts import PathArray
         from PathScripts import PathComment
-        from PathScripts import PathCustom
+        # from PathScripts import PathCustom
+        from PathScripts import PathCustomGui
         from PathScripts import PathDeburrGui
         from PathScripts import PathDressupAxisMap
         from PathScripts import PathDressupDogbone