Stop network serializing prototypes (#38602)

* Stop network serializing prototypes

Send the damn proto ID instead.

* Fix sandbox violation

Content.Shared/Administration/PlayerInfo.cs

@@ -1,5 +1,6 @@
 using Content.Shared.Mind;
 using Robust.Shared.Network;
+using Robust.Shared.Prototypes;
 using Robust.Shared.Serialization;
 
 namespace Content.Shared.Administration;
@@ -11,7 +12,7 @@ public sealed record PlayerInfo(
     string IdentityName,
     string StartingJob,
     bool Antag,
-    RoleTypePrototype RoleProto,
+    ProtoId<RoleTypePrototype>? RoleProto,
     LocId? Subtype,
     int SortWeight,
     NetEntity? NetEntity,