fix: adjust clip skip default value from 1 to 2 (#3011)

* Revert "Revert "feat: add clip skip handling (#2999)" (#3008)"

This reverts commit 989a1ad52b.

* feat: use clip skip 2 as default

modules/config.py

@@ -434,6 +434,11 @@ default_cfg_tsnr = get_config_item_or_set_default(
     default_value=7.0,
     validator=lambda x: isinstance(x, numbers.Number)
 )
+default_clip_skip = get_config_item_or_set_default(
+    key='default_clip_skip',
+    default_value=2,
+    validator=lambda x: isinstance(x, int) and 1 <= x <= modules.flags.clip_skip_max
+)
 default_overwrite_step = get_config_item_or_set_default(
     key='default_overwrite_step',
     default_value=-1,
@@ -488,6 +493,7 @@ possible_preset_keys = {
     "default_cfg_scale": "guidance_scale",
     "default_sample_sharpness": "sharpness",
     "default_cfg_tsnr": "adaptive_cfg",
+    "default_clip_skip": "clip_skip",
     "default_sampler": "sampler",
     "default_scheduler": "scheduler",
     "default_overwrite_step": "steps",