[DSD-6382] updated partner onboarder install script to support mock R… #333

Job	Run time
build-maven-esignet-mock-services / maven-build	1m 3s
mock-relying-party-service / build-dockers	10s
mock-relying-party-ui / build-dockers	42s
sonar_analysis	0s
publish_to_nexus	0s
mock-identity-system / build-dockers	25s
	2m 20s

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