* feat(web): keyboard access for search dropdown
Also: fixing cosmetic issue with combobox component.
* fix: revert changing required field
* fix: create new focusChange action
* fix: combobox usability improvements
* handle escape key on the clear button
* move focus to input when clear button is clicked
* leave the dropdown closed if the user has already closed the dropdown and tabs over to the clear button
* activate the combobox if a user tabs backwards onto the clear button
* rename focusChange to focusOutside
* small fixes
* do not activate combobox on backwards tabbing
* simplify classes in "No results" option
* prevent dropdown option from being preselected when clear button is
clicked
* fix: remove unused event dispatcher interface
