IBX-6641: "is_thumbnail" enabled by default for user_type #1368

Job	Run time
Unit tests & SQLite integration tests (7.4)	12m 41s
Run code style check (8.0)	3m 38s
Solr integration tests (7.4)	13m 46s
Unit tests & SQLite integration tests (8.0)	11m 43s
Solr integration tests (8.0)	19m 13s
Unit tests & SQLite integration tests (8.1)	12m 8s
Solr integration tests (8.1)	12m 48s
PostgreSQL integration tests (7.4)	46m 37s
MySQL integration tests (7.4)	14m 58s
PostgreSQL integration tests (8.0)	22m 11s
MySQL integration tests (8.0)	23m 3s
PostgreSQL integration tests (8.1)	25m 26s
MySQL integration tests (8.1)	18m 30s
	3h 56m 42s

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