Visitor job (#23972)

* Adds Visitor role and ShowInIdCardConsole property

* Add visitor to Agent ID card

* Fixes yaml test

* Fixes based on feedback

* Fixes based on feedback

Content.Shared/Roles/JobPrototype.cs

@@ -53,6 +53,13 @@ namespace Content.Shared.Roles
         [DataField("setPreference")]
         public bool SetPreference { get; private set; } = true;
 
+        /// <summary>
+        ///     Whether this job should show in the ID Card Console.
+        ///     If set to null, it will default to SetPreference's value.
+        /// </summary>
+        [DataField]
+        public bool? OverrideConsoleVisibility { get; private set; } = null;
+
         [DataField("canBeAntag")]
         public bool CanBeAntag { get; private set; } = true;