Made the SkyChestTE's class names more in line with the other ones.

src/main/java/appeng/core/api/definitions/ApiBlocks.java

@@ -286,12 +286,12 @@ public final class ApiBlocks implements IBlocks
 
 		this.skyStoneChest = registry.block( "sky_stone_chest", () -> new BlockSkyChest( SkyChestType.STONE ) )
 				.features( AEFeature.SKY_STONE_CHESTS )
-				.tileEntity( TileSkyChest.Stone.class )
+				.tileEntity( TileSkyChest.TileSkyChestStone.class )
 				.rendering( new SkyChestRenderingCustomizer( SkyChestType.STONE ) )
 				.build();
 		this.smoothSkyStoneChest = registry.block( "smooth_sky_stone_chest", () -> new BlockSkyChest( SkyChestType.BLOCK ) )
 				.features( AEFeature.SKY_STONE_CHESTS )
-				.tileEntity( TileSkyChest.Smooth.class )
+				.tileEntity( TileSkyChest.TileSkyChestSmooth.class )
 				.rendering( new SkyChestRenderingCustomizer( SkyChestType.BLOCK ) )
 				.build();
 

src/main/java/appeng/tile/storage/TileSkyChest.java

@@ -39,16 +39,16 @@ import appeng.tile.inventory.InvOperation;
 public class TileSkyChest extends AEBaseInvTile implements ITickable
 {
 
-	public static class Smooth extends TileSkyChest
+	public static class TileSkyChestSmooth extends TileSkyChest
 	{
-		public Smooth() {
+		public TileSkyChestSmooth() {
 			super();
 		}
 	}
 
-	public static class Stone extends TileSkyChest
+	public static class TileSkyChestStone extends TileSkyChest
 	{
-		public Stone() {
+		public TileSkyChestStone() {
 			super();
 		}
 	}