Sea Grass Sometimes Remove An Ice Block in A Surface

Sea Grass sometimes remove an Ice Block when the block near to the surface.

STEP TO REPRODUCE
1.Create New World, or use this seed ( -4562084435694871151 )

2.Find nearby river in cold biome or in the iceberg.

OBSERVED RESULTS
Sea Grass will remove an Ice Block in a surface.

EXPECTED RESULTS
Ice Block can’t be removed by Sea Grass.