The Bug:

Items on the sides of blocks being brushed remain briefly visible even after the said block is fully brushed.

Steps to Reproduce:

1. Summon some suspicious sand with a diamond sword inside of it by using the command provided below.

   /setblock ~ ~ ~ minecraft:suspicious_sand{item:{id:"minecraft:diamond_sword",count:1}}

2. Obtain a brush and begin brushing the suspicious sand.
3. Wait until the suspicious sand's "dusted" block state is equal 3 and quickly set the tick rate to 1 by using the command provided below.

   /tick rate 1

4. Continue brushing the suspicious sand and watch the item on the side of the block closely as you finish brushing the block. 

Observed Behavior:

Items on the sides of blocks being brushed remain briefly visible even after the said block is fully brushed which leads to visual duplication.

Expected Behavior:

Items on the sides of blocks being brushed would not remain briefly visible after the said block is fully brushed.