XYZ: Use default label format for hires sampler

If both sampler and hires sampler are used this makes the distinction more clear.

scripts/xyz_grid.py

@@ -217,7 +217,7 @@ axis_options = [
     AxisOption("Prompt S/R", str, apply_prompt, format_value=format_value),
     AxisOption("Prompt order", str_permutations, apply_order, format_value=format_value_join_list),
     AxisOptionTxt2Img("Sampler", str, apply_field("sampler_name"), format_value=format_value, confirm=confirm_samplers, choices=lambda: [x.name for x in sd_samplers.samplers]),
-    AxisOptionTxt2Img("Hires sampler", str, apply_field("hr_sampler_name"), format_value=format_value, confirm=confirm_samplers, choices=lambda: [x.name for x in sd_samplers.samplers]),
+    AxisOptionTxt2Img("Hires sampler", str, apply_field("hr_sampler_name"), confirm=confirm_samplers, choices=lambda: [x.name for x in sd_samplers.samplers]),
     AxisOptionImg2Img("Sampler", str, apply_field("sampler_name"), format_value=format_value, confirm=confirm_samplers, choices=lambda: [x.name for x in sd_samplers.samplers_for_img2img]),
     AxisOption("Checkpoint name", str, apply_checkpoint, format_value=format_remove_path, confirm=confirm_checkpoints, cost=1.0, choices=lambda: sorted(sd_models.checkpoints_list, key=str.casefold)),
     AxisOption("Negative Guidance minimum sigma", float, apply_field("s_min_uncond")),