[Trait] Wheelchair bound (#18785)

* Init commit

* move to shared and remove all from component

* maybe that

* Use SharedBuckleSystem

* Rename to WheelchairBound

* Move Carriage to prototype

* Update sprite to TG, add folded sprite, rename carriage to wheelchair

* Fix wheelchair rsi path

* Add stand & down for buckling

* Add wheelchair inhand sprites

* Move wheelchair down in file & fix fold sprite & add suffix Vehicle

* Use new wheelchair id

* Add standing & speed reset on component remove

* Split system to leg paralyzed and wheelchair bound

* Rename to LegsParalyzed

* Rename in prototype

* Move LegsParalyzed to shared

---------

Co-authored-by: Ray <vigersray@gmail.com>

Content.Server/Traits/Assorted/WheelchairBoundSystem.cs

@@ -0,0 +1,21 @@
+using Content.Shared.Buckle;
+using Content.Shared.Traits.Assorted;
+
+namespace Content.Server.Traits.Assorted;
+
+public sealed class WheelchairBoundSystem : EntitySystem
+{
+    [Dependency] private readonly SharedBuckleSystem _buckleSystem = default!;
+
+    public override void Initialize()
+    {
+        SubscribeLocalEvent<WheelchairBoundComponent, ComponentStartup>(OnStartup);
+    }
+
+    private void OnStartup(EntityUid uid, WheelchairBoundComponent component, ComponentStartup args)
+    {
+        var wheelchair = Spawn(component.WheelchairPrototype, Transform(uid).Coordinates);
+        _buckleSystem.TryBuckle(uid, uid, wheelchair);
+        RemComp<WheelchairBoundComponent>(uid);
+    }
+}