Closing #9967
When Holdings dropdown is open, activate focus to searcher in assets and collectibles. Changes focus to ENS input in case ENS tab is active.
In Holdings dropdown, when ENS tab is active and Add button is enabled, pressing enter key should behave same than clicking on the button itself.
In Holdings dropdown, when one asset or collectible has been selected, activate focus in the amount input, then when Add button is enabled, pressing enter key should behave same than clicking on the button itself.
- Updated initial dropdown view for assets and collectibles to directly show the list of corresponding elements.
- Updated assets and collectibles panel when an item is selected, according to new design.
- Updated collectibles logic when amount is 1.
- Added collectibles group item as part of the selectable's options.
- Updated `storybook` according to new changes.
- Created reusable `TokenItem` component.
- Updated `CommunityPermissionsHelpers`.
Closes#9043