Cave vines can generate hanging on pointed dripstone

The Bug

Cave vines can generate in lush caves hanging on pointed dripstone

Reproduce

Reproduce for 21w13a

Single Biome: Lush Caves
Coordinates: /tp @s 3488 -45 -1787
Seed: 4485126576742779411

Reproduce for 1.17

Single Biome: Lush Caves
Coordinates: /tp @s -820 37 1454
Seed: 100413440131279243

Reproduce for 21w37a

Coordinates: /execute in minecraft:overworld run tp @s -1659.66 27.71 1238.51 -6.60 -7.50
Seed: -1892299399199434542