Deaths from explosions caused by a player are not attributed to that player when they are dead

Summary: All player-caused explosions fail to pass their attribution when the player who caused the explosion is on the ‘You Died’ death screen.

Steps to Recreate: Place two pieces of TNT together in close proximity. Have a player ignite a piece of TNT and then die before it detonates.

Expected results: When the player-caused explosion occurs, the player’s attribution will be transferred to close by explosives.

Observed results: The player’s attribution is only transferred while the player is alive. It will not transfer while the player is on the death screen.

Notes: This occurs will all explosions caused by a player or other entity. I submitted a bug report similar to this for when a player is offline or dead. That report was reviewed and I was asked to separate the death issue into a different report. MC-310207 is the original report with both.