feat: support stop/start upload during file transfer

haas-imagej-client/src/main/java/cz/it4i/fiji/haas/Job.java

.../haas/data_transfer/PersistentSynchronizationProcess.java

...java/cz/it4i/fiji/haas/data_transfer/Synchronization.java

.../main/java/cz/it4i/fiji/haas/ui/TableViewContextMenu.java

.../java/cz/it4i/fiji/haas_java_client/HaaSFileTransfer.java

...va/cz/it4i/fiji/haas_java_client/HaaSFileTransferImp.java

.../fiji/haas_java_client/LambdaExceptionHandlerWrapper.java

...ava/cz/it4i/fiji/haas_java_client/TestHaaSJavaClient.java

...t4i/fiji/haas_java_client/TestHaaSJavaClientWithSPIM.java

...4i/fiji/haas_spim_benchmark/core/BenchmarkJobManager.java

.../fiji/haas_spim_benchmark/core/UpdatableBenchmarkJob.java

.../fiji/haas_spim_benchmark/ui/BenchmarkSPIMController.java

java-scpclient/pom.xml

...lient/src/main/java/cz/it4i/fiji/scpclient/ScpClient.java