Fix connected blocks not being detected in prefabs

Apparently they're processed, unlike in my save

GamecraftModdingAPI/Blocks/BlockEngine.cs

@@ -39,11 +39,17 @@ namespace GamecraftModdingAPI.Blocks
 		{
 			if (!BlockExists(blockID)) return new Block[0];
 			Stack<uint> cubeStack = new Stack<uint>();
-			FasterList<uint> cubesToProcess = new FasterList<uint>();
-			ConnectedCubesUtility.TreeTraversal.GetConnectedCubes(entitiesDB, blockID.entityID, cubeStack, cubesToProcess, (in GridConnectionsEntityStruct g) => { return false; });
-			var ret = new Block[cubesToProcess.count];
-			for (int i = 0; i < cubesToProcess.count; i++)
-				ret[i] = new Block(cubesToProcess[i]);
+			FasterList<uint> cubes = new FasterList<uint>(10);
+			var coll = entitiesDB.QueryEntities<GridConnectionsEntityStruct>(CommonExclusiveGroups
+				.OWNED_BLOCKS_GROUP);
+			for (int i = 0; i < coll.count; i++)
+				coll[i].isProcessed = false;
+
+			ConnectedCubesUtility.TreeTraversal.GetConnectedCubes(entitiesDB, blockID.entityID, cubeStack, cubes, (in GridConnectionsEntityStruct g) => { return false; });
+
+			var ret = new Block[cubes.count];
+			for (int i = 0; i < cubes.count; i++)
+				ret[i] = new Block(cubes[i]);
 			return ret;
 		}