[IntelliJ][RunConfig]The upload path in the config file of Cosmos shows null.

[v-xiaocw]

Build: azure-toolkit-for-intellij-2019.2.develop.1301.11-19-2019
Repro Steps:
1.Provision a cluster
2.Create a cosmos config with the cluster

Result:Upload path shows null and After the submission is successful, the null is still displayed

[lcadzy]

#3768

[jingyanjingyan]

Fix in build dev 1322, display with /SparkSubmission/