Issue Summary

Can't create (POST) or update (PATCH) stories using API when passing the 
jiraProjectKey in the endpoint rest/align/api/2/stories/STORY-ID.
 
The API returns the following error 400:
Cannot create story. Value for jiraProjectKey is invalid.
or
Cannot update story with id XXXXXX. Value for jiraProjectKey is invalid.

Steps to Reproduce

1. Run a PATCH or POST rest/align/api/2/stories/STORY-ID to add or update a Story adding a Jira Project there
2. Example of body/payload for POST can be the following

   1.   
          {
      "title": "Luiz Story API",
      "description": "Luiz Example",
      "featureId": featureId,
      "type": 1,
      "state": 0,
      "programId": programId,
      "releaseId": releaseId,
      "iterationId": iterationId,
      "teamId": teamId,
      "jiraProjectKey": "Jira Project Key",
      "tags": "tag"
          } 

1. The example of body/payload for POST can be the following

   1.   [  {
              "op": "replace",
              "path": "/jiraProjectKey",  
              "value": "LA"
          }
      ]
      

Expected Results

Jira Align API creates the Story with the Jira Project set already.

Actual Results

 
The API return the following error 400:
Cannot create story. Value for jiraProjectKey is invalid.
or
Cannot update story with id XXXXXX. Value for jiraProjectKey is invalid.

Workaround

Currently, there is no known workaround for this behavior. A workaround will be added here when available