improve spawnpoint error logging (#40021)

Content.Server/Spawners/Components/SpawnPointComponent.cs

@@ -6,11 +6,15 @@ namespace Content.Server.Spawners.Components;
 [RegisterComponent]
 public sealed partial class SpawnPointComponent : Component, ISpawnPoint
 {
+    /// <summary>
+    /// The job this spawn point is valid for.
+    /// Null will allow all jobs to spawn here.
+    /// </summary>
     [DataField("job_id")]
     public ProtoId<JobPrototype>? Job;
 
     /// <summary>
-    /// The type of spawn point
+    /// The type of spawn point.
     /// </summary>
     [DataField("spawn_type"), ViewVariables(VVAccess.ReadWrite)]
     public SpawnPointType SpawnType { get; set; } = SpawnPointType.Unset;