* convert SQLs to use sdk contracts
* make draft
* postgres
* intermedia
* get datasourceinfo filled at the beginning of the service
* move the interval into package because of cyclict import and fix all postgres tests
* fix mysql test
* fix mssql
* fix the test for pr https://github.com/grafana/grafana/issues/35839
* fix some issue about intervalv2 package
* update sql test
* wire migration for SQLs
* add sqls to the background process
* make it register instead of register and start
* revert formatting
* fix tests
* fix linter
* remove integration test
* Postgres test fix
Co-authored-by: Marcus Efraimsson <marcus.efraimsson@gmail.com>
