Some plants float on farmland

Summary:
Some plants float on farmland.
Does not affect the grass, seagrass (tall seagrass), fern or crops.

All affected plants:

1. Twisting Vines
2. Dandelion
3. Poppy
4. Blue orchid
5. Allium
6. Azure bluet
7. Red tulip
8. Orange tulip
9. White tulip
10. Pink tulip
11. Oxeye daisy
12. Cornflower
13. lily of the valley
14. Wither rose
15. Tall grass
16. Large fern
17. Sunflower
18. Lilac
19. Rose bush
20. Peony
21. Oak sapling
22. Spruce sapling
23. Birch sapling
24. Jungle sapling
25. Acacia sapling
26. Dark oak sapling
27. Crimson fungi
28. Warped fungi
29. Crimson roots
30. Warped roots
31. Nether sprouts
32. Sweet berry bush
33. Azalea
34. Flowering azalea
35. Big dripleaf
36. Mangrove propagule
37. Torchflower crop
38. Torchflower

*Plants with random block placement in the bedrock also have a slight random height offset, so sometimes these plants don't have this problem.

Steps to reproduce:

1. Place the specified plants on farmland.

Observed results:
Plants will float on farmland.

Expected results:
Plants will have 1 pixel lower texture to avoid floating.