Stripe - Split PE with deferred intent

[a-danae]

This epic groups the issues for implementing the Split PE with deferred intent integration.

Please point the PRs for this epic to the following branch. This way, we can build the implementation in small steps without interfering with regular releases.
add/deferred-intent
P2: pc4etw-LY-p2

If you find the scope of an issue is too broad and would benefit from being divided into smaller ones, please go ahead.
If you find gaps between the existing issues, feel free to fill them with new ones.