Cherrypicks 2 (#371)

* Handheld teleporter portals now must start on the same grid. (#28423)

Co-authored-by: moonheart08 <moonheart08@users.noreply.github.com>

* hand teleport portals now may start in the same grid. (#28556)

* Implement vital chef's hat functionality (#25950)

* Implement crucial chef's hat functionality

* Unified stopping code and added events.

* Added documentation to events

* Rerun tests

* Made review changes, and fixed potential desync bug.

* Update whitelist

* Make Hamlet a valid chef's hat pilot (#29191)

* Dropping Corpses Devoured by Space Dragons on Gib/Butcher. (#28709)

* Update DevourSystem.cs

* Update DevourSystem.cs

* Update Content.Server/Devour/DevourSystem.cs

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Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>

* Treatment of blood loss in the Rat King (#26887)

Bloodloss-RatKing

* - fix: Fix error.

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Co-authored-by: Moony <moony@hellomouse.net>
Co-authored-by: moonheart08 <moonheart08@users.noreply.github.com>
Co-authored-by: icekot8 <93311212+icekot8@users.noreply.github.com>
Co-authored-by: Tayrtahn <tayrtahn@gmail.com>
Co-authored-by: Lyndomen <49795619+Lyndomen@users.noreply.github.com>
Co-authored-by: metalgearsloth <31366439+metalgearsloth@users.noreply.github.com>
Co-authored-by: IlyaElDunaev <154531074+IlyaElDunaev@users.noreply.github.com>

Content.Shared/Clothing/Components/PilotedByClothingComponent.cs

@@ -0,0 +1,12 @@
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Clothing.Components;
+
+/// <summary>
+/// Disables client-side physics prediction for this entity.
+/// Without this, movement with <see cref="PilotedClothingSystem"/> is very rubberbandy.
+/// </summary>
+[RegisterComponent, NetworkedComponent]
+public sealed partial class PilotedByClothingComponent : Component
+{
+}

Content.Shared/Clothing/Components/PilotedClothingComponent.cs

@@ -0,0 +1,38 @@
+using Content.Shared.Whitelist;
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.Clothing.Components;
+
+/// <summary>
+/// Allows an entity stored in this clothing item to pass inputs to the entity wearing it.
+/// </summary>
+[RegisterComponent, NetworkedComponent, AutoGenerateComponentState]
+public sealed partial class PilotedClothingComponent : Component
+{
+    /// <summary>
+    /// Whitelist for entities that are allowed to act as pilots when inside this entity.
+    /// </summary>
+    [DataField]
+    public EntityWhitelist? PilotWhitelist;
+
+    /// <summary>
+    /// Should movement input be relayed from the pilot to the target?
+    /// </summary>
+    [DataField]
+    public bool RelayMovement = true;
+
+
+    /// <summary>
+    /// Reference to the entity contained in the clothing and acting as pilot.
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public EntityUid? Pilot;
+
+    /// <summary>
+    /// Reference to the entity wearing this clothing who will be controlled by the pilot.
+    /// </summary>
+    [DataField, AutoNetworkedField]
+    public EntityUid? Wearer;
+
+    public bool IsActive => Pilot != null && Wearer != null;
+}