Build: PR 2087

Repro Steps:

1. Edit one config file, under "Remotely Run in Cluster", check on "Enable Spark remote debug"

2. Enter valid data, save and close the config dialog (i.e. cluster=spark23hdinsight, PW=9#eu&5khH_j3)

3. Check off the "Enable Spark remote debug", save and close the config dialog

4. Change cluster which has a different password (i.e. cluster=spark231HDI40-reg, PW=Pa$$w0rd1234)

5. Check ON the "Enable Spark remote debug", Notice it does not check SSH automatically
   

6. Save

7. Do remote debug

Result:
SSH invalid, Auth fail.

Expect:
Should do SSH checking automatically in step 5