Placing block after jumping from an enchantment table causes desync

Please attach a screenshot of this occurring while the F3 debug screen is enabled.

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done

I am able to confirm this behavior in both 1.17.1 and 21w43a. Here are some extra details regarding this problem.

The Bug:

A client-side desync can occur by placing blocks below you when jumping on top of enchanting tables.

Steps to Reproduce:

• Build the setup as shown in the attachment below.

• Stand between the slab and the enchanting table.

• Obtain a piece of dirt and switch into survival mode.

• Whilst looking at the slab, jump and attempt to place the dirt on top of it.

• Take note as to whether or not a client-side desync can occur by placing blocks below you when jumping on top of enchanting tables.

Observed Behavior:

A client-side desync can occur by placing blocks below you when jumping on top of enchanting tables.

Expected Behavior:

A client-side desync would not occur by placing blocks below you when jumping on top of enchanting tables.

I did it!! It's been a while!

This issue was present in 1.18.2 Pre-release 1, but no longer occurs in versions above or equal to 1.18.2 Pre-release 2. With that being said, this issue has been fixed in 1.18.2 Pre-release 2.