remove Session from MindComponent (#34753)

* yummy

* fix tests

Content.Server/Roles/Jobs/JobSystem.cs

@@ -4,6 +4,7 @@ using Content.Server.Mind;
 using Content.Shared.Mind;
 using Content.Shared.Roles;
 using Content.Shared.Roles.Jobs;
+using Robust.Shared.Player;
 
 namespace Content.Server.Roles.Jobs;
 
@@ -14,6 +15,7 @@ public sealed class JobSystem : SharedJobSystem
 {
     [Dependency] private readonly IChatManager _chat = default!;
     [Dependency] private readonly MindSystem _mind = default!;
+    [Dependency] private readonly ISharedPlayerManager _player = default!;
     [Dependency] private readonly RoleSystem _roles = default!;
 
     public override void Initialize()
@@ -42,7 +44,7 @@ public sealed class JobSystem : SharedJobSystem
         if (args.Silent)
             return;
 
-        if (!_mind.TryGetSession(mindId, out var session))
+        if (!_player.TryGetSessionById(component.UserId, out var session))
             return;
 
         if (!MindTryGetJob(mindId, out var prototype))

Content.Server/Roles/RoleSystem.cs

@@ -46,7 +46,7 @@ public sealed class RoleSystem : SharedRoleSystem
 
     public void RoleUpdateMessage(MindComponent mind)
     {
-        if (mind.Session is null)
+        if (!Player.TryGetSessionById(mind.UserId, out var session))
             return;
 
         if (!_proto.TryIndex(mind.RoleType, out var proto))
@@ -55,8 +55,6 @@ public sealed class RoleSystem : SharedRoleSystem
         var roleText = Loc.GetString(proto.Name);
         var color = proto.Color;
 
-        var session = mind.Session;
-
         //TODO add audio? Would need to be optional so it does not play on role changes that already come with their own audio
         // _audio.PlayGlobal(Sound, session);