* Rename licenses route checkin parameter to clarify it's purpose and
fix incorrect route in users view page.
* Checkin note can be nullable for checking in a license.
* License Seat view was only showing 20 license seats due to faulty
transformer logic.
* To see checkin/checkout Date in History of Asset
* Added some logic to get today's date if the checkin_at input is blank
* Updating the action_date taking the value from the action_log table
* Hide created_at field and rename 'Action Date' as only 'Date'
