Keep seriesmapping records when deleting a block (configurable) #770

Job	Run time
call-moodle-ci-workflow / static (8.2, MOODLE_403_STABLE, mariadb)	2m 20s
call-moodle-ci-workflow / test (MOODLE_401_STABLE/8.0/mariadb)	15m 27s
call-moodle-ci-workflow / test (MOODLE_401_STABLE/8.0/pgsql)	15m 32s
call-moodle-ci-workflow / test (MOODLE_402_STABLE/8.0/mariadb)	16m 24s
call-moodle-ci-workflow / test (MOODLE_402_STABLE/8.0/pgsql)	15m 46s
call-moodle-ci-workflow / test (MOODLE_403_STABLE/8.0/mariadb)	15m 21s
call-moodle-ci-workflow / test (MOODLE_403_STABLE/8.0/pgsql)	16m 20s
call-moodle-ci-workflow / test (MOODLE_401_STABLE/8.1/mariadb)	15m 21s
call-moodle-ci-workflow / test (MOODLE_401_STABLE/8.1/pgsql)	15m 27s
call-moodle-ci-workflow / test (MOODLE_402_STABLE/8.1/mariadb)	16m 15s
call-moodle-ci-workflow / test (MOODLE_402_STABLE/8.1/pgsql)	16m 28s
call-moodle-ci-workflow / test (MOODLE_403_STABLE/8.1/mariadb)	15m 25s
call-moodle-ci-workflow / test (MOODLE_403_STABLE/8.1/pgsql)	16m 19s
call-moodle-ci-workflow / test (MOODLE_402_STABLE/8.2/mariadb)	16m 20s
call-moodle-ci-workflow / test (MOODLE_402_STABLE/8.2/pgsql)	16m 36s
call-moodle-ci-workflow / test (MOODLE_403_STABLE/8.2/mariadb)	15m 3s
call-moodle-ci-workflow / test (MOODLE_403_STABLE/8.2/pgsql)	14m 58s
	4h 15m 22s

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