* [MM-20979] Add first implementation of the Bleve search engine
* Fix i18n
* Migrate searchengine utils tests
* Fix linter
* Don't add allTermsQ if both termQueries and notTermQueries are empty
* Fix test that should work if user is system admin
* Modify naming according to review comments
* Abstract getIndexDir function
* Extracting bleve engine name as a constant
* Merge both Indexer interfaces into one
* Add worker stopped message
* Allow worker to be started/stopped with config change
* Use constants for index names
* Modify test order
* Fix linter
* Trying to unlock the CI
