Raw changes for iOS FC compatibility

[mxl-stripe]

Summary

Motivation

Testing

Changelog

[github-actions[bot]]

🚨 New dead code detected in this PR:

ReturnedFromFinancialConnectionsSender.swift:7 warning: Imported module 'StripeCore' is unused

Please remove the dead code before merging.

If this is intentional, you can bypass this check by adding the label skip dead code check to this PR.

ℹ️ If this comment appears to be left in error, double check that the flagged code is actually used and/or make sure your branch is up-to-date with master.