TU43 Structures, bug fixes & minor changes

- Elytra flight, damage, kinetic energy, pretty much any bug someone reported, paper doll, etc.
- Fossil & Igloo generation
- Texture interpolation
- Iggy mouse fix for world settings
- Neo branding on main screen
- Release build txt logger
- Debug mode spectator
- Several server fixes
- Flowerpot fixes
- Several more changes made in TU43

Minecraft.World/net.minecraft.world.level.tile.entity.h

@@ -22,3 +22,4 @@
 #include "EnderChestTileEntity.h"
 #include "ItemFrame.h"
 #include "BannerTileEntity.h"
+#include "FlowerPotTileEntity.h"