Some scores/achievements broken due to take over follower NPC upon death of starting character

[cake-pie]

Describe the bug

Some scores and achievements rely on event statistics that perform a comparison against avatar_id, as a check to determine whether it was the player character (as opposed to some other NPC) who did/attained something. This avatar_id is recorded from the starting character upon game_start event.

If your starting character dies and you take control of a follower NPC, the stats break because the player character now has a different character ID.

Attach save file

N/A -- bug identified by code inspection

Steps to reproduce

1. Start a new game as a survivor in evac shelter
2. Make the shelter NPC into a follower
3. Check score screen for "0 monsters killed"
4. Debug spawn a suitable weapon
5. Debug spawn a chicken
6. Kill the chicken, and check score increased to 1 kill
7. Debug to cause yourself a bunch of damage, then spawn a ladder, climb on the roof and walk off it
8. Die from fall, take over the NPC
9. Grab the weapon, spawn a chicken, kill it
10. Kill count on score tab has stopped incrementing. Kill count on kills tab still works, though

Expected behavior

Either:

All scores, achievements and conducts accrued so far continue to count and continue to be updated with respect to the new player character.

or

All scores, achievements and conducts are reset upon death and take over of a new character.

Screenshots

No response

Versions and configuration

Bug reproduced in 4b6270c

Additional context

No response

[github-actions]

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