Objectives ecs rework (#19967)

Co-authored-by: deltanedas <@deltanedas:kde.org>

Content.Server/Objectives/Components/NotJobRequirementComponent.cs

@@ -0,0 +1,17 @@
+using Content.Server.Objectives.Systems;
+using Content.Shared.Roles;
+using Content.Shared.Roles.Jobs;
+using Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Prototype;
+
+/// <summary>
+/// Requires that the player not have a certain job to have this objective.
+/// </summary>
+[RegisterComponent, Access(typeof(NotJobRequirementSystem))]
+public sealed partial class NotJobRequirementComponent : Component
+{
+    /// <summary>
+    /// ID of the job to ban from having this objective.
+    /// </summary>
+    [DataField(required: true, customTypeSerializer: typeof(PrototypeIdSerializer<JobPrototype>))]
+    public string Job = string.Empty;
+}