Remove Explicit GridId References (#8315)

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

Content.Shared/SubFloor/TrayScannerSystem.cs

@@ -208,7 +208,7 @@ public sealed class TrayScannerSystem : EntitySystem
 
         // For now, limiting to the scanner's own grid. We could do a grid-lookup, but then what do we do if one grid
         // flies away, while the scanner's local-position remains unchanged?
-        if (_mapManager.TryGetGrid(transform.GridID, out var grid))
+        if (_mapManager.TryGetGrid(transform.GridEntityId, out var grid))
         {
             foreach (var entity in grid.GetAnchoredEntities(worldBox))
             {