Remove Explicit GridId References (#8315)

Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Content.Server/Decals/Commands/EditDecalCommand.cs

@@ -1,4 +1,4 @@
-using Content.Server.Administration;
+using Content.Server.Administration;
 using Content.Shared.Administration;
 using Robust.Shared.Console;
 using Robust.Shared.Map;
@@ -27,7 +27,7 @@ Possible modes are:\n
             return;
         }
 
-        if (!int.TryParse(args[0], out var gridIdRaw))
+        if (!EntityUid.TryParse(args[0], out var gridId))
         {
             shell.WriteError($"Failed parsing gridId '{args[3]}'.");
             return;
@@ -39,7 +39,6 @@ Possible modes are:\n
             return;
         }
 
-        var gridId = new GridId(gridIdRaw);
         if (!IoCManager.Resolve<IMapManager>().GridExists(gridId))
         {
             shell.WriteError($"No grid with gridId {gridId} exists.");