filter out invalid options for choice fields

Author: w-e-w

scripts/xyz_grid.py

@@ -558,6 +558,8 @@ def process_axis(opt, vals, vals_dropdown):
                 valslist = opt.prepare(vals)
             else:
                 valslist = csv_string_to_list_strip(vals)
+                if opt.choices is not None:
+                    valslist = [x for x in valslist if x in opt.choices()]
 
             if opt.type == int:
                 valslist_ext = []