[intelliJ][PPE Enviroment][Serverless]Remote run failed with Spark on Cosmos Serverless configuration.

[v-xiaocw]

Build: azure-toolkit-for-intellij-2018.3.develop.1034.03-18-2019

Repro Steps:
1.Set serverless environment
2.Create a Spark on Cosmos Serverless configuration
3.Click the remotely run button

Result:

[t-rufang]

Results should be given in #2899 . Consider that PPE environment is broken, please use production environment to test.

[v-jiche]

Verified. Fixed.
Build: azure-toolkit-for-intellij-2018.3.develop.1057.03-27-2019