ISSUE #2142 fix screenshot api documentation (#2143)
ISSUE #2142 fix screenshot api documentation (#2143)

* ISSUE #2142 fix endpoint route documentation

* ISSUE #2142 fix wording
3drepo/3drepo.io,3drepo/3drepo.io,3drepo/3drepo.io,3drepo/3drepo.io,3drepo/3drepo.io,3drepo/3drepo.io