Elytra Steamer

• 1.21.2 fixes

Note: 1.21.2+ delay the physic loadings on TP in MC, breaking the previous mecanic that used slimes to collide with players. The entity engine now use magma_cube because it spreads a lot of unwanted particles on TP. But this is the only way to make it works (for now)...

• Compatibility 1.21+
• fix max speed fuel consumption

• Compatibility 1.20.5+.
• Minor optimization tweaks.

• Compatibility 1.20

• V1
• Using entity engine