Rework sqlite fk pragma handling #1422

Job	Run time
Windows - PHP 8.1 & SQL Server	2m 59s
Coding Standard & Static Analysis	38s
testsuite (8.1, pgsql)	52s
testsuite (8.1, mysql)	38s
testsuite (8.1, sqlite)	23s
testsuite (8.4, sqlite)	25s
testsuite (8.2, mysql)	1m 5s
testsuite (8.4, mysql)	50s
testsuite (8.1, sqlite, prefer-lowest)	22s
testsuite (8.4, pgsql)	45s
	8m 57s

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