Roundstart antag role restrictions revival (#20108)

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

Content.Server/Ghost/Roles/Components/GhostRoleComponent.cs

@@ -1,4 +1,5 @@
 using Content.Server.Mind.Commands;
+using Content.Shared.Roles;
 
 namespace Content.Server.Ghost.Roles.Components
 {
@@ -12,6 +13,9 @@ namespace Content.Server.Ghost.Roles.Components
 
         [DataField("rules")] private string _roleRules = "";
 
+        [DataField("requirements")]
+        public HashSet<JobRequirement>? Requirements;
+
         /// <summary>
         /// Whether the <see cref="MakeSentientCommand"/> should run on the mob.
         /// </summary>