refactor: moved getJobParameters in JobParametersDB #13843

Job	Run time
Integration (Backward Compatibility, CLIENT_INSTALLATION_BRANCH=rel-v8r0 PILOT_INSTALLATION_BRANC...	21m 13s
Integration (Force DEncode and MySQL8, DIRAC_USE_JSON_ENCODE=NO MYSQL_VER=mysql:8.0.40)	25m 14s
Integration (MariaDB 11.4 OS 3.2.0 , MYSQL_VER=mariadb:11.4.3 ES_VER=opensearchproject/opensearch...	24m 6s
Integration (Test DiracX latest, TEST_DIRACX=Yes)	24m 40s
	1h 35m 13s

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