1. Remove general receiver and fetcher docs
1. Add more specific menu with docs to help users to find documents easier.

Co-authored-by: Nyuzhongyu <yuzhongyu@cestc.cn>

Fix ElasticSearch implementation of `queryMetricsValues` and `readLabeledMetricsValues` doesn't fill default values (#8012)

* Fix ElasticSearch implementation of `queryMetricsValues` and `readLabeledMetricsValues` doesn't fill default values
* Change generated file path.

Add a GraphQL query to get OAP version, display OAP version in startup message and error logs (#8004)

* Replace e2e cases to e2e-v2: Kafka: Base, Meter, Log, Profile
* Set `SW_KAFKA_FETCHER_ENABLE_NATIVE_PROTO_LOG`, `SW_KAFKA_FETCHER_ENABLE_NATIVE_JSON_LOG` default `true`.

* replace log e2e cases to e2e-v2.

* update change log

* fix change log.

* revert proto chenge

* fix e2e

* active h2

* contains

* revert storage e2e mis-change

* replace e2e with infra e2e.

* update e2e

* update e2e

* fix fluentbit & es6

* fix fluentbit & es6

* fix rules.

* fix docker compose in h2 case.

* update e2e

* fix e2e log

* fix env in e2e.

* fix case in e2e.

* fix case in e2e.

* Fix and refine matrix

* update fluent mount.

* fix missed provider service and wrong triggers in e2e.

* fix docker compose

* fix typo

* fix endpoints expected.

* fix mysql storage mount mysql driver.

* add ports for provider.

* add oap port for trigger.

* update e2e check

* fix mysql
Co-authored-by: Nkezhenxu94 <kezhenxu94@apache.org>

* Support `!= null` in OAL engine.
* Add `Message Queue Consuming Count` metric for MQ consuming service and endpoint.
* Add `Message Queue Avg Consuming Latency` metric for MQ consuming service and endpoint.
* Document with a new menu in the `tracing` catalog is added

* Refactor the OAL compiler context to improve readability. Usually, this could not be included in the change log, but considering this kind of refactor could cause not-found bugs, Adding this as a hit if we face some related issues in the future.
* Fix wrong generated codes of hashCode and remoteHashCode methods for numeric fields.