Add Job preference tests (#28625)

* Misc Job related changes

* Add JobTest

* A

* Aa

* Lets not confuse the yaml linter

* fixes

* a

Content.Client/Lobby/UI/CharacterPickerButton.xaml.cs

@@ -53,9 +53,9 @@ public sealed partial class CharacterPickerButton : ContainerButton
                 .LoadProfileEntity(humanoid, null, true);
 
             var highPriorityJob = humanoid.JobPriorities.SingleOrDefault(p => p.Value == JobPriority.High).Key;
-            if (highPriorityJob != null)
+            if (highPriorityJob != default)
             {
-                var jobName = prototypeManager.Index<JobPrototype>(highPriorityJob).LocalizedName;
+                var jobName = prototypeManager.Index(highPriorityJob).LocalizedName;
                 description = $"{description}\n{jobName}";
             }
         }