graph: improve API coverage on application & service principal (#5181)

* [graphrbac]: fix bugs in permission grant apis

* fix paging

* add missing property

* remove pageable

* author pagable in the right way

* breaking changes over a wrong spec

* remove additionalProperties which causes wrong code-gen

* add suppressions

* use code to surpress

* address review feedabck

* moev ahead with the established pattern anyway

* address review feedbacks

* clean up all

* update operation id

* add one more property per CLI user's ask

Author: yugangw-msft