teleporting players over voids can randomly kill them

Partner Rank: 1

Verification builds:
1.16.100-1.16.200.2-1.16.201.4

Summary:
teleporting players over voids can randomly kill them, happens most frequently when multiplayer is enabled.

Impact:
some maps rely on long distance teleports, killing players over and over is horrible player experience especially if they can drop items.

This affects Simburbia, Infinity Skyblock, Star Wars

Repro Steps:

Open Simburbia

Teleport to the class room 286 38 96

Press the button on the door or talk to the npc to teleport home

Observed Results:
^{youll die 1/10 times in single player, 4/10 in multiplayer/realms}

Expected Results:
you shouldnt die

Screenshots/Videos attached:
https://youtu.be/iVs07aruAL4

Regression Build:
1.16.40

Notes: