Updates #4271. Squashed commit of the following: commit 10a113126306fce51b4dd10a696b8c7d3213a445 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Feb 11 18:37:18 2022 +0300 client: more strict search commit 7aa24129195c0eba442bfe43564469fdb2a5b138 Author: Ainar Garipov <A.Garipov@AdGuard.COM> Date: Fri Feb 11 18:22:18 2022 +0300 client: use strict search by client