release-19.3:Backport!2557

Merged Andrey Vertiprahov requested to merge cherry-pick-acd89c20 into release-19.3

Dahua.DH. Add Web Auth middleware abd getting PTZ version to attributes.

See merge request !2557 (merged)

(cherry picked from commit acd89c20)

0c8fd15c Dahua.DH. Add Web Auth middleware abd getting PTZ version to attributes. 8cef1053 Fix check custom http.middleware when it import.

Merge request reports