gensis-config: patching default `RuntimeGenesisConfig` fixed #13053

Job	Run time
preflight / preflight	41s
preflight / ci-versions	59s
check-runtime-migration (westend)	6m 19s
check-runtime-migration (asset-hub-westend)	4m 56s
check-runtime-migration (bridge-hub-westend)	4m 28s
check-runtime-migration (collectives-westend)	4m 11s
check-runtime-migration (coretime-westend)	4m 27s
All runtime migrations passed	1s
	26m 2s

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