Type errors (#1809)

* prettier server, ts error 25

* ts errors 21

* ts errors 18

* type pid

* ts errors 11

* modernize create xid function

* ignore ts error on jigsaw

* type uid

* expand pca cache item

* 8 errors.

* modernize switchToUser function

* void

* PcaCacheItem types

* missing args, null

* ignore request.get error

* tsignore .get on headers