backport: Replace fast sync with batch processing #362

Job	Run time
e2e_bcd	5m 53s
e2e_babylon	5m 47s
e2e_wasmd	1m 36s
docker_pipeline / prepare-metadata	3s
lint_test / build	0s
lint_test / lint	2m 42s
lint_test / integration-tests	0s
lint_test / unit-tests	58s
lint_test / check-mock-gen	0s
lint_test / gosec	0s
docker_pipeline / docker_build (linux/amd64, ubuntu-24.04)	3m 50s
docker_pipeline / docker_build (linux/arm64, ubuntu-24.04-arm64)	3m 43s
docker_pipeline / merge_ecr	0s
docker_pipeline / merge_dockerhub	0s
	24m 32s

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