/execute detect command causing entities within a chunk to be scoreboard reset

EDIT: Was unable to find specific cause for the problem, will post crash report

Teleport away from spawn chunks before doing any of the below.

Summon armorstand using below command:
/summon ArmorStand ~ ~ ~

{CustomName:"tank"}

Create testing objective
/scoreboard objectives add testObjective dummy
Set objective to sidebar:
/scoreboard objectives setdisplay sidebar testObjective
Set 'tank' score:
/scoreboard players set @e[name=tank] testObjective 1

Afterwards, unload chunks by teleporting away.
tp @p ~500 ~ ~

Notice that the score on the sidebar dissapears, proving that the score resets after the entity is unloaded.

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Steps to reproduce can be found in this comment

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Code analysis: https://bugs.mojang.com/browse/MC-96131?focusedCommentId=306331&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-306331