[FEATURE] Allow inbound payments to be cleared
[TASK] Use select input for source/destination accounts in inbound payment form
[TASK] Display source/destination account information (name, address) instead of id
[TASK] Code cleanup
[TASK] Set up editable inbound payment confirmation form
[TASK] Create form validation mixin

[TASK] Restructure mixins directory
[TASK] Allow forms to be pre-populated

[FEATURE] Populate destination amount/currency when source amount/currency is entered
[FEATURE] Edit and process queued inbound payments
[TASK] Refactor payment create form