IBX-5388: Fixed performance issues of content updates after field changes #958

Job	Run time
Run code style check (8.0)	1m 53s
Solr integration tests (7.4)	9m 39s
Solr integration tests (8.0)	9m 38s
Solr integration tests (8.1)	9m 29s
Unit tests & SQLite integration tests (7.3)	7m 43s
Unit tests & SQLite integration tests (7.4)	7m 23s
Unit tests & SQLite integration tests (8.0)	7m 3s
Unit tests & SQLite integration tests (8.1)	6m 57s
MySQL integration tests (7.4)	13m 26s
PostgreSQL integration tests (7.3)	31m 12s
MySQL integration tests (8.0)	12m 57s
PostgreSQL integration tests (7.4)	26m 23s
MySQL integration tests (8.1)	13m 47s
PostgreSQL integration tests (8.0)	21m 28s
PostgreSQL integration tests (8.1)	24m 35s
	3h 23m 33s

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