* Memoize cartErrors from useStoreCart
* Implement memoization to other selectors
* Use EMPTY_ARRAY in more cases
* Create getArrayOrEmptyConstant function
* Remove DEFAULT_EMPTY_ARRAY constant and use EMPTY_ARRAY instead
* Wrap removeItem into useCallback
* Fix tests
* Do not default to empty array/object for values that should exist and use different constant for empty values
* Type two empty array constants from default-states.ts