* Allow for priority to be set on event emitters
* Add payment event emitters
* add new actions/status to checkout state context
* implement event emitters in payment data context
* refactor checkout state context to use new actions in event emitters
* refactor checkout processor to handle new event emitters
* fix type-defs for registered payment methods
* register observer for cheque payment method integration
* add inline todo
* fix sort
* fix tests and add test for priority usage in event emitters
* remove todo and just add explanatory comment
* condense sort logic
* lowercase test description
* abstract emitter callback to reduce code
* don’t process passed in errors if it’s undefined
* improve error response expectation for payment processing event observer
* Added cheque gateway and payment method registration system
Fix promises
Remove log
Use status, not checkoutstate
Bug @nerrad showed me
Payment method type registry
Refactor integrations to register themselves.
Stripe and Cheque Integrations/registration
Splt gateways into separate files on build
Add settings from server to cheque gateway
Merge apple and credit card stripe scripts
* Missing files from rebase
* Tweaks to payment-methods-registry (https://github.com/woocommerce/woocommerce-blocks/pull/2091)
* Small tweaks and docblock updates
* Handle undefined settings
* rebase fix
* Simplify promise
* Remove filesuffix for payment methods config
* Fix typo
* Rebase fix
* Update cart and block actions
* Add woocommerce_blocks_payment_method_type_registration
* Missing method names
* Missing name in stripe
* replace actions with script dependencies
* Scripts are needed in admin context too, by default
* Put back the hooks...
* Add is_active check to see if assets need to be enqueued or not
Co-authored-by: Darren Ethier <darren@roughsmootheng.in>