* Properly use LoggingContext in Participant Server Fixes #6837 Spreads usage of LoggingContext and ContextualizedLogger throughout the participant server. changelog_begin [Sandbox/Integration Kit] We have enriched the contextual information exposed by the Ledger API server. You should note richer logging information, which can be read either via unstructured or structured logging frameworks. A paragraph on how to configure structured logging has been added to the docs. For more on the issue, see https://github.com/digital-asset/daml/issues/6837. changelog_end * Make everything compile * Leave only actual commands on trace level on submission * Shorter log messages on submission * Don't add values down the call stack * Document good practices regarding the logging context * Add context to write service implementations * Add logging context to tests * Document logging for DAML on SQL * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463503013 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463508117 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463515665 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463513157 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463516359 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463516895 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463518813 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463520210 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463521501 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463521593 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463525453 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463525560 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463525672 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463525742 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463526837 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463527054 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463527523 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463527814 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463527958 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463527900 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463527997 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463528050 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463542877 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463543051 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463543614 * Address https://github.com/digital-asset/daml/pull/6924#discussion_r463543692