Extracts magic strings from Tag calls (#36305)

* Extracts magic strings from Tag calls

When #36281 gets merged, the `TagSystem` methods will all give warnings. Let's fix those warnings before they even happen!

* Adds missing libraries

* Remove not yet implemented TagSystem changes

* Fix tag spelling error

Genuinely surprised there was only 1!

* Styling and proper type changes

* Styling

Co-authored-by: Tayrtahn <tayrtahn@gmail.com>

---------

Co-authored-by: Tayrtahn <tayrtahn@gmail.com>

Content.Server/Shuttles/Systems/ShuttleConsoleSystem.cs

@@ -21,6 +21,7 @@ using Robust.Shared.GameStates;
 using Robust.Shared.Map;
 using Robust.Shared.Utility;
 using Content.Shared.UserInterface;
+using Robust.Shared.Prototypes;
 
 namespace Content.Server.Shuttles.Systems;
 
@@ -43,6 +44,8 @@ public sealed partial class ShuttleConsoleSystem : SharedShuttleConsoleSystem
 
     private readonly HashSet<Entity<ShuttleConsoleComponent>> _consoles = new();
 
+    private static readonly ProtoId<TagPrototype> CanPilotTag = "CanPilot";
+
     public override void Initialize()
     {
         base.Initialize();
@@ -168,7 +171,7 @@ public sealed partial class ShuttleConsoleSystem : SharedShuttleConsoleSystem
 
     private bool TryPilot(EntityUid user, EntityUid uid)
     {
-        if (!_tags.HasTag(user, "CanPilot") ||
+        if (!_tags.HasTag(user, CanPilotTag) ||
             !TryComp<ShuttleConsoleComponent>(uid, out var component) ||
             !this.IsPowered(uid, EntityManager) ||
             !Transform(uid).Anchored ||