* Fix notice persistence after dismissal
- This fix applied to the `incompatible payment gateway notice`.
- We used the same dismissal logic in the `sidebar compatibility notice`
* Get incompatible payments when initialized
We initially get the list of `globalPaymentMethods` shared from
the back-end as incompatible payments, because the front-end
`availablePaymentMethods` is empty before the
`paymentMethodsInitialized` state
* Introduce advanced notice dismissal handling
We want to display a dismissed incompatible gateways notice, when the
list of incompatible gateways is updated (e.g., a new incompatible
gateway is enabled)
* Use the full block name for the `Cart` & `Checkout`
* Update variable name for comprehension
* Fix TS errors
* Remove unused imports
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