feat: Enable ACH via Stripe Vaulting flows

[NQuinn27]

Description

ACC-4384
ACC-4461
ACC-4515

• Adds vaultOnAgreement to the Debug App UI
• Adds necessary deviceInfo to metadata for ACH flows
• Show vaulted ACH payment methods in Drop-in UI
• Enable paying with a vaulted ACH payment method on both Drop-in and Headless

Other Notes

Manual Testing

Add manual testing notes here if applicable, otherwise remove this section

Screenshots

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Contributor Checklist

• All status checks have passed prior to code review
• I have added unit tests to a reasonable level of coverage where suitable
• I have added UI tests to new user flows, if applicable
• I have manually tested newly added UX
• I have open a documentation PR, if applicable

Reviewer Checklist

• I have verified that a suitable set of automated tests has been added
• I have verified that the title prefix aligns to the code changes + whether a release is expected after merging the PR
• I have verified the documentation PR aligns with this PR, if applicable

Before Merging

• If introducing a breaking change, I have communicated it internally
• Any related documentation PRs are ready to merge

Other Stuff

• You can find out more about our automation checks here
• Find out more about conventional commits here

[github-actions]

	Warnings
⚠️	> Pull Request size seems relatively large. If this Pull Request contains multiple changes, please split each into separate PR will helps faster, easier review.
⚠️	Please assign someone aside from CODEOWNERS (@checkout-pci-reviewers) to review this PR.
⚠️	Sources/PrimerSDK/Classes/Core/PrimerHeadlessUniversalCheckout/Composable/ACH/Services/ACHTokenizationService.swift#L16 - Delegate protocols should be class-only so they can be weakly referenced. (class_delegate_protocol)
⚠️	Sources/PrimerSDK/Classes/Core/PrimerHeadlessUniversalCheckout/Composable/ACH/Services/ACHTokenizationService.swift#L23 - Delegate protocols should be class-only so they can be weakly referenced. (class_delegate_protocol)
⚠️	Sources/PrimerSDK/Classes/Core/PrimerHeadlessUniversalCheckout/Composable/ACH/Services/ACHTokenizationService.swift#L28 - Lines should not have trailing whitespace. (trailing_whitespace)
⚠️	Sources/PrimerSDK/Classes/Core/PrimerHeadlessUniversalCheckout/Composable/ACH/Services/ACHTokenizationService.swift#L49 - Lines should not have trailing whitespace. (trailing_whitespace)
⚠️	Sources/PrimerSDK/Classes/Core/PrimerHeadlessUniversalCheckout/Composable/ACH/Services/ACHTokenizationService.swift#L64 - Lines should not have trailing whitespace. (trailing_whitespace)
⚠️	Sources/PrimerSDK/Classes/Core/PrimerHeadlessUniversalCheckout/Composable/ACH/Services/ACHTokenizationService.swift#L132 - Lines should not have trailing whitespace. (trailing_whitespace)
⚠️	Sources/PrimerSDK/Classes/User Interface/Vault/VaultPaymentMethodViewController.swift#L112 - Line should be 150 characters or less: currently 156 characters (line_length)

Generated by 🚫 Danger Swift against e4e1ad5

[github-actions]

Appetize link: https://appetize.io/app/evzzles3dterujv5mvq4bmdoxq

[semirp]

PCI OK.

[semirp]

[q]: wouldn't it make more sense to send some params to be mapped to request body or maybe request body itself? This seems to be a generic function that creates body for only one use case.

[semirp]

PCI OK

[sonarqubecloud]

Quality Gate failed

Failed conditions
26.2% Coverage on New Code (required ≥ 80%)
12.6% Duplication on New Code (required ≤ 3%)

See analysis details on SonarQube Cloud

[semirp]

PCI OK