IBX-6282: Added attributes support for generating name schema #1232

Job	Run time
Run code style check (8.0)	4m 23s
Solr integration tests (7.4)	11m 37s
Solr integration tests (8.0)	12m 29s
Solr integration tests (8.1)	15m 29s
Unit tests & SQLite integration tests (7.4)	5m 44s
Unit tests & SQLite integration tests (8.0)	12m 26s
Unit tests & SQLite integration tests (8.1)	10m 9s
MySQL integration tests	0s
PostgreSQL integration tests	0s
	1h 12m 17s

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