Assign | Attorney assign admin action screen

When an attorney is assigning an admin action, they need to choose the type of admin action they are assigning, so co-located knows what their task is.
If a case requires more than one admin action, the attorney needs to be able to choose more than one.
When an attorney is assigning an admin action, they need to explain instructions for the task, so co-located knows how to execute on that task.

AC

Verify that a new screen is created titled Assign admin action (to verify page title per designs)
Verify the user can select one or more admin actions from the list:
- IHP
- Waiver of AOJ letter
- Arneson letter
- Hearing clarification letter
- POA clarification letter
- Unaccredited representative letter
- Retired VLJ letter
- New rep arguments (PT_VSO) letter
- Extension request ruling
- Missing hearing transcript
- Schedule hearing
- FOIA/Privacy Act request
- Pending scanning banner VBMS
- Missing records in file
- Address verification
- Other
Verify the user can see the case is being assigned to co-located (but they cannot see the individual user being assigned)
Verify the user can type in instructions for the admin action task
Ensure that all copy is in the COPY.json file
Verify when the user submits this assignment, the case is auto-assigned to a co-located user per https://github.com/department-of-veterans-affairs/caseflow/issues/5982
- Note: for the first release of this functionality, cases will only be assigned to two co-located users - Randy Seay and Eugene Scott

@sneha-pai to add