Refactored barsign (#5929)

* Refactored barsign

* Check barsign for signs of life.

* TryComp the sprite component

* TryGetBarSignPrototype

Content.Server/BarSign/BarSignComponent.cs

@@ -1,12 +1,4 @@
-using System.Linq;
-using Content.Server.Power.Components;
-using Robust.Server.GameObjects;
 using Robust.Shared.GameObjects;
-using Robust.Shared.IoC;
-using Robust.Shared.Localization;
-using Robust.Shared.Log;
-using Robust.Shared.Prototypes;
-using Robust.Shared.Random;
 using Robust.Shared.Serialization.Manager.Attributes;
 using Robust.Shared.ViewVariables;
 
@@ -17,7 +9,8 @@ namespace Content.Server.BarSign
     {
         public override string Name => "BarSign";
 
-        [DataField("current")] [ViewVariables(VVAccess.ReadOnly)]
+        [DataField("current")]
+        [ViewVariables(VVAccess.ReadOnly)]
         public string? CurrentSign;
     }
 }