Id[entity] 2.0 (real) (#9612)

* starter API

* network ID cards

* Port more stuff from old identity

* Re-implement identity representation + name updating

* move

* proper name returning for `IdentityName`

* move everything important to server, give in to  temptation

* shared / server / client split sadly. move ensure to shared and spawn to server

* identity update queueing + identityblocker

* fixes

* and just like that it's usable for admins

* huge identity pass

* pass dos

* jesus christ

* figs :D

* fuck u

* fix bad merge.

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

Content.Shared/IdentityManagement/Components/IdentityBlockerComponent.cs

@@ -0,0 +1,18 @@
+using Content.Shared.Inventory;
+using Robust.Shared.GameStates;
+
+namespace Content.Shared.IdentityManagement.Components;
+
+[RegisterComponent, NetworkedComponent]
+public sealed class IdentityBlockerComponent : Component
+{
+}
+
+/// <summary>
+///     Raised on an entity and relayed to inventory to determine if its identity should be knowable.
+/// </summary>
+public sealed class SeeIdentityAttemptEvent : CancellableEntityEventArgs, IInventoryRelayEvent
+{
+    // i.e. masks or helmets.
+    public SlotFlags TargetSlots => SlotFlags.MASK | SlotFlags.HEAD;
+}