refactor: convert XYZ grid detailer option to boolean dropdown

- Change AxisOption type from str to bool with [False, True] choices
- Simplify apply_detailer() to accept bool directly
- Fix log message from "face-restore" to "detailer"

scripts/xyz/xyz_grid_classes.py

@@ -246,7 +246,7 @@ axis_options = [
     AxisOption("[Refine] Refiner steps", float, apply_field("refiner_steps")),
     AxisOption("[Postprocess] Upscaler", str, apply_upscaler, cost=0.4, choices=lambda: [x.name for x in shared.sd_upscalers]),
     AxisOption("[Postprocess] Context", str, apply_context, choices=lambda: ["Add with forward", "Remove with forward", "Add with backward", "Remove with backward"]),
-    AxisOption("[Postprocess] Detailer", str, apply_detailer, fmt=format_value_add_label),
+    AxisOption("[Postprocess] Detailer", bool, apply_detailer, fmt=format_bool, choices=lambda: [False, True]),
     AxisOption("[Postprocess] Detailer strength", str, apply_field("detailer_strength")),
     AxisOption("[Quant] SDNQ quant mode", str, apply_sdnq_quant, cost=0.9, fmt=format_value_add_label, choices=lambda: ['none'] + sorted(shared.sdnq_quant_modes)),
     AxisOption("[Quant] SDNQ quant mode TE", str, apply_sdnq_quant_te, cost=0.9, fmt=format_value_add_label, choices=lambda: ['none'] + sorted(shared.sdnq_quant_modes)),

scripts/xyz/xyz_grid_shared.py

@@ -284,10 +284,8 @@ def apply_context(p: processing.StableDiffusionProcessingTxt2Img, opt, x):
 
 
 def apply_detailer(p, opt, x):
-    opt = opt.lower()
-    is_active = opt in ('true', 'yes', 'y', '1')
-    p.detailer_enabled = is_active
-    shared.log.debug(f'XYZ grid apply face-restore: "{x}"')
+    p.detailer_enabled = bool(opt)
+    shared.log.debug(f'XYZ grid apply detailer: "{x}"')
 
 
 def apply_control(field):