* change hour minute fmt to match old ui
* rm required max lifespan
* fix day of week default value
* create one shared cache settings component
* fix eslint and tests
* rm obsolete separate cache components
* try fixed snap
* add save cancel and move all form logic to parent
* rm obsolete convert days function
* save working all fields
* fix save on two fields and rm console msgs
* add basic validation to empty fields
* fix default value issues in cache
* fix two fields default values
* dropdown text and help fixes
* add empty option for edit mode
