Refactor stations to properly use entity prototypes. (stationsv3) (#16570)

* Update StationSpawningSystem.cs

Web-edit to allow feeding in an existing entity.

* Update StationSpawningSystem.cs

value type moment

* Update StationSpawningSystem.cs

* Oh goddamnit this is a refactor now.

* awawawa

* aaaaaaaaaaa

* ee

* forgot records.

* no records? no records.

* What's in a name?

* Sloth forcing me to do the refactor properly smh.

* e

* optional evac in test.

* tests pls work

* awa

---------

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

Content.Server/Station/Components/StationJobsComponent.cs

@@ -32,6 +32,16 @@ public sealed class StationJobsComponent : Component
     /// </summary>
     [DataField("extendedAccess")] public bool ExtendedAccess;
 
+    /// <summary>
+    /// If there are less than or equal this amount of players in the game at round start,
+    /// people get extended access levels from job prototypes.
+    /// </summary>
+    /// <remarks>
+    /// Set to -1 to disable extended access.
+    /// </remarks>
+    [DataField("extendedAccessThreshold")]
+    public int ExtendedAccessThreshold { get; set; } = 15;
+
     /// <summary>
     /// The percentage of jobs remaining.
     /// </summary>
@@ -62,5 +72,10 @@ public sealed class StationJobsComponent : Component
     /// <summary>
     /// Overflow jobs that round-start can spawn infinitely many of.
     /// </summary>
-    [DataField("overflowJobs", customTypeSerializer: typeof(PrototypeIdHashSetSerializer<JobPrototype>))] public HashSet<string> OverflowJobs = new();
+    [DataField("overflowJobs", customTypeSerializer: typeof(PrototypeIdHashSetSerializer<JobPrototype>))]
+    public HashSet<string> OverflowJobs = new();
+
+    [DataField("availableJobs", required: true,
+        customTypeSerializer: typeof(PrototypeIdDictionarySerializer<List<int?>, JobPrototype>))]
+    public readonly Dictionary<string, List<int?>> SetupAvailableJobs = default!;
 }