* make the config sync happen on each call to ApplyConfig(), fix tests
* send autogen config
* add fake autogen function for tests
* update stale comments, tidy things up, make linter happy
* add auto-gen routes only if the feature toggle is enabled
* remove unnecessary fake autogen function
* throttle configuration syncs
* restore pkg/services/store/entity/sqlstash/sql_storage_server.go
* test sync loop in ApplyConfig, skip invalid autogen routes
* restore conf/defaults.ini
* restore conf/defaults.ini
* avoid skipping invalid auto-gen routes in SaveAndApplyConfig
* test that autogenFn is called and its errors are returned
* add debug message about the sync interval not having elapsed
* collapse two log lines into one