Rework sqlite fk pragma handling #1426

Job	Run time
Windows - PHP 8.1 & SQL Server	3m 27s
Coding Standard & Static Analysis	26s
testsuite (8.4, pgsql)	39s
testsuite (8.1, sqlite)	24s
testsuite (8.1, mysql)	43s
testsuite (8.4, mysql)	55s
testsuite (8.1, pgsql)	44s
testsuite (8.4, sqlite)	28s
testsuite (8.1, sqlite, prefer-lowest)	29s
testsuite (8.2, mysql)	1m 8s
	9m 23s

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