Form conversion: Services/Requests default

[himdel]

Convert form to use DDF/React and API - parent issue #6825

Location: Services/Requests
Form: default

current type: Angular
API state:
Yes
Entity: Requests

PM Input: 3 - High
Comments:
UX: there will be a complete rewrite of this one

imported status: NOT ASSIGNED

[kavyanekkalapu]

https://www.manageiq.org/docs/reference/latest/api/reference/requests.html