Cavern additions, Jungle Treehouse and vine plantation fixes in 1.20.1

[MotionlessTrain]

Closes #
Closes #

Changes proposed in this pull request

• Cavern
  • Changed the dwarven king statue on the megahall town hall
  • New dwarven king statue available as small decoration
  • New safety stair
    • Available as insert in infrastucture/intersection
    • Available as narrow intersection in infrastructure/narrow
    • Available as regular intersection in infrastructure/intersection
  • New lower intersection, which doesn't destroy the middle, which you can use if you built a staircase upwards
  • New mangrove connector
  • New connector insert, with four farm fields
• Jungle Treehouse
  • Tiny correction to remove the gates at higher levels as the worker stopped working and wouldn't path to the block
• Fixed the tags of the vine plantation fields in
  • Ancient Athens
  • Minecolonies Original
  • Colonial
  • Jungle Treehouse
  • Space Wars
  • Shire
  • Nordic Spruce

Testing

• Yes I tested this before submitting it.
• I also did a multiplayer test.

Review please