More rules tweaks (#16918)

Content.Shared/Random/RulesPrototype.cs

@@ -58,7 +58,7 @@ public sealed class NearbyTilesPercentRule : RulesRule
     /// <summary>
     /// If there are anchored entities on the tile do we ignore the tile.
     /// </summary>
-    [DataField("anchored")] public bool Anchored;
+    [DataField("ignoreAnchored")] public bool IgnoreAnchored;
 
     [DataField("percent", required: true)]
     public float Percent;