[Experimental] Jungle Vines Generate Inside Lush Caves

Summary: Jungle Vines Generate Inside Lush Caves or Nearby Caves Besides Lush Caves On Top Of Outside Lush Caves on Surface.

Steps To Reproduce:
Step 1: Find a Large Cave With Lush Cave.
Step 2: Repeat.
Step 3: Repeat.

Observed Result: Jungle Vines Generate Inside Caves In Nearby Caves and Lush Caves.

Expected Result: Jungle Vines Shouldnt be In Caves.