Visual nubody (humanoid appearance refactor) (#42476)

* initial visual nubody

* oops overlay

* im so pheeming rn

* conversion...

* tests

* comeback of the underwear

* oops eyes

* blabbl

* zeds

* yaml linted

* search and visible count constraints

* reordering

* preserve previously selected markings colors

* fix test

* some ui niceties

* ordering

* make DB changes backwards-compatible/downgrade-friendly

* fix things again

* fix migration

* vulpkanin markings limit increase

* wrapping

* code cleanup and more code cleanup and more code cleanup and more code cleanup and

* fix slop ports

* better sampling API

* make filter work + use the method i made for its intended purpose

* fix test fails real quick

* magic mirror cleanup, remove TODO

* don't 0-init the organ profile data

* remove deltastates

---------

Co-authored-by: Princess Cheeseballs <66055347+Pronana@users.noreply.github.com>

# Conflicts:
#	Content.Server/Humanoid/Components/RandomHumanoidAppearanceComponent.cs
#	Content.Server/Humanoid/Systems/RandomHumanoidAppearanceSystem.cs

# Conflicts:
#	Resources/Prototypes/Species/diona.yml

# Conflicts:
#	Content.Server/Zombies/ZombieSystem.Transform.cs

Content.Server/Body/VisualBodySystem.cs

@@ -0,0 +1,5 @@
+using Content.Shared.Body;
+
+namespace Content.Server.Body;
+
+public sealed partial class VisualBodySystem : SharedVisualBodySystem;