Add planes to planeless tile objects

runescape-api/src/main/java/net/runelite/rs/api/RSDecorativeObject.java

@@ -45,4 +45,6 @@ public interface RSDecorativeObject extends DecorativeObject
 
 	@Import("renderable1")
 	Renderable getRenderable();
+
+	void setPlane(int plane);
 }

runescape-api/src/main/java/net/runelite/rs/api/RSGroundObject.java

@@ -42,4 +42,6 @@ public interface RSGroundObject extends GroundObject
 
 	@Import("renderable")
 	Renderable getRenderable();
+
+	void setPlane(int plane);
 }

runescape-api/src/main/java/net/runelite/rs/api/RSItemLayer.java

@@ -56,4 +56,6 @@ public interface RSItemLayer extends ItemLayer
 	@Import("top")
 	@Override
 	RSRenderable getTop();
+
+	void setPlane(int plane);
 }

runescape-api/src/main/java/net/runelite/rs/api/RSWallObject.java

@@ -59,4 +59,6 @@ public interface RSWallObject extends WallObject
 	@Import("config")
 	@Override
 	int getConfig();
+
+	void setPlane(int plane);
 }