MT#9213 Remove list actions from form backuri, to don't repeate

(cherry picked from commit 6f2b8d39bfdbeb0f52634dee5dfe581a48514610)
(cherry picked from commit 0b4836936c9c10d2832b8b3a92d351c6f0d39ea1)
MT#9213 Fix incomplete commit for controlled backuri

(cherry picked from commit 6d74b4e7ed781e702ce5dd56b9f52be21c2fcd14)
(cherry picked from commit 0cd7f90d3747eef306ac6cd0a91a0816c49ce552)
MT#9329 Use DB to count statistic for calls.

Optimization in case when calls dispersion is low.

(cherry picked from commit bf9ed81fd278ce19a59f81256bdde131c0cb2bc8)
(cherry picked from commit 9f3f484dd786d1c36d10d81b9161d8052a33083b)