Further optimized metadata request to Cromwell (#612)

CHANGELOG.md

@@ -4,12 +4,14 @@
 
 ### Fixed bug where failure message(s) are not displayed if the job failed before Cromwell was able to run it (most likely due to a validation error).
 
-### Remove 'loading' screen when user has made an invalid query on job list page so the user can make changes.
+### Removed 'loading' screen when user has made an invalid query on job list page so the user can make changes.
 
 ### Made behavior of message, log and execution icons consistent across all contexts in the job details page.
 
 Also fixed bug where Google Console file links sometimes pointed to unexpected places.
 
+### Improved the performance of the job details page when pointed at Cromwell by tailoring the metadata cache request.
+
 ## v0.6.2 Release Notes
 
 ### Fixed bug where scattered tasks' status, duration, timing diagram and number of attempts were inaccurate.

servers/cromwell/jobs/controllers/jobs_controller.py

@@ -89,7 +89,7 @@ def get_job(id, **kwargs):
     :rtype: JobMetadataResponse
     """
 
-    include_keys = ('attempt', 'callCaching', 'callRoot', 'calls',
+    include_keys = ('attempt', 'callCaching:hit', 'callRoot', 'calls',
                     'description', 'end', 'executionEvents', 'executionStatus',
                     'failures', 'inputs', 'jobId', 'labels', 'outputs',
                     'parentWorkflowId', 'returnCode', 'shardIndex', 'start',