storage: Allow reloading an indexed variant file. #TASK-4794 #1127

Job	Run time
build / Build Java app	10m 59s
test / Execute Sonar Analysis	10m 32s
test / Execute JUnit and Jacoco tests	14m 34s
test / Publish test results (opencga-app)	11m 20s
test / Publish test results (opencga-catalog)	5m 6s
test / Publish test results (opencga-client)	1m 48s
test / Publish test results (opencga-clinical)	1m 34s
test / Publish test results (opencga-core)	4m 19s
test / Publish test results (opencga-master)	1m 50s
test / Publish test results (opencga-server)	2m 17s
test / Publish test results (opencga-storage)	5m 14s
test / Publish test results (opencga-storage/opencga-storage-app)	3m 2s
test / Publish test results (opencga-storage/opencga-storage-benchmark)	6m 49s
test / Publish test results (opencga-storage/opencga-storage-core)	7m 52s
test / Publish test results (opencga-storage/opencga-storage-hadoop)	3m 34s
test / Publish test results (opencga-storage/opencga-storage-server)	3m 34s
test / Publish test results (opencga-storage/opencga-storage-hadoop/opencga-storage-hadoop-core)	8m 53s
test / Publish test results (opencga-storage/opencga-storage-hadoop/opencga-storage-hadoop-deps)	5m 31s
Check SNAPSHOT version	1s
Deploy in maven only for renamed versions	0s
Check TASK version	0s
deploy-docker / Push Docker image	4m 52s
	1h 53m 41s

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