Draft: Temporarily revert BPT key change [#3495]
Closes #3495 (closed). Reverts BPT key change. Without this, a node that updates to 1.3 would not be able to downgrade back to 1.2 if something goes wrong.
Changelog: fix
Closes #3495 (closed). Reverts BPT key change. Without this, a node that updates to 1.3 would not be able to downgrade back to 1.2 if something goes wrong.
Changelog: fix