Disable dynamic_vram when weight hooks applied (#12653)

* sd: add support for clip model reconstruction

* nodes: SetClipHooks: Demote the dynamic model patcher

* mp: Make dynamic_disable more robust

The backup need to not be cloned. In addition add a delegate object
to ModelPatcherDynamic so that non-cloning code can do
ModelPatcherDynamic demotion

* sampler_helpers: Demote to non-dynamic model patcher when hooking

* code rabbit review comments

comfy_extras/nodes_hooks.py

@@ -248,7 +248,7 @@ class SetClipHooks:
 
     def apply_hooks(self, clip: CLIP, schedule_clip: bool, apply_to_conds: bool, hooks: comfy.hooks.HookGroup=None):
         if hooks is not None:
-            clip = clip.clone()
+            clip = clip.clone(disable_dynamic=True)
             if apply_to_conds:
                 clip.apply_hooks_to_conds = hooks
             clip.patcher.forced_hooks = hooks.clone()