BUG: timeouts do not function correctly of incorrectly documented

[VitaliStupin]

Affected components: proxy Affected documentation: - Estimated delivery: - External reference: https://jira.ria.ee/browse/XTE-334

Problem

• Socket timeouts are not used for all connections
• Some comments in source code are using incorrect units (s vs ms)
• client-httpclient-timeout default parameter is incorrectly documented
• Timeout set in SS UI (per service configuration) does not work

Acceptance criteria

• bugs are fixed

[VitaliStupin]

Fixed in 6.14.0