IBX-6649: Added support for spell checking #1381

Job	Run time
Solr integration tests (7.4)	16m 21s
Solr integration tests (8.0)	11m 37s
Unit tests & SQLite integration tests (7.4)	6m 49s
Run code style check (8.0)	4m 6s
Solr integration tests (8.1)	16m 52s
Unit tests & SQLite integration tests (8.0)	6m 40s
Unit tests & SQLite integration tests (8.1)	6m 52s
PostgreSQL integration tests (7.4)	22m 36s
MySQL integration tests (7.4)	12m 27s
PostgreSQL integration tests (8.0)	24m 18s
MySQL integration tests (8.0)	22m 5s
PostgreSQL integration tests (8.1)	21m 54s
MySQL integration tests (8.1)	18m 16s
	3h 10m 53s

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