chore: Various QoL updates of nodes display names, descriptions and categories (CORE-190, CORE-191) (#13830)

* Move detection category under image category

* Add missing categories

* Move detection nodes to detection category

* Move save nodes to image root catefory

* Rename postprocessors

* Move mask category under image

* Move guiders category to parent level at root of sampling category

* Move custom_sampling category to parent level at the root of sampling category

* Modify description of LoRA loaders

* Fix node id SolidMask

* Move VOID Quadmask under image/mask

* Group compositing nodes under image/compositing

* Move load image as mask to image category for consistency with other load image nodes

* Align display name with Load Checkpoint

* Move dataset category under training category

* Rename Number Convert to Conver Number (verb first)

* Rename Canny node

* Revert wanBlockSwap + description

* Add description to RemoveBackground node

* Revert category update of dataset

comfy_extras/nodes_align_your_steps.py

@@ -29,7 +29,7 @@ class AlignYourStepsScheduler(io.ComfyNode):
         return io.Schema(
             node_id="AlignYourStepsScheduler",
             search_aliases=["AYS scheduler"],
-            category="sampling/custom_sampling/schedulers",
+            category="sampling/schedulers",
             inputs=[
                 io.Combo.Input("model_type", options=["SD1", "SDXL", "SVD"]),
                 io.Int.Input("steps", default=10, min=1, max=10000),