Description of problem:
In the workflow tab for a content item, the "finish task" links are
clickable even when the task is not enabled. Clicking on these links
causes a stack trace. The "finish task" links should reflect the
status of the workflow.



Version-Release number of selected component (if applicable):


How reproducible:
Always


Steps to Reproduce:
1. Create a content item with a standard production workflow
2. Go to the workflow tab
3. Select the "approval" task from the tasks list
   This task should be "disabled" at this point
4. Click on the "finish task" link on the approval task detail screen.


  
Actual results:

Unexpected error screen with the following stack trace:

-*-*-*- Section: Stack trace -*-*-*-
com.arsdigita.bebop.FormProcessException: Task is not enabled
	at
com.arsdigita.cms.ui.workflow.ApproveTaskAddComment$1.updateTaskState(ItemWorkflowTaskPanel.java:416)
	at
com.arsdigita.cms.ui.workflow.AddComment$AddCommentProcessListener.process(AddComment.java:267)

Expected results:

Error message indicating that the task is not enabled.

Additional info:
This bug has been reported by Herefordshire Council who currently
going through their acceptance & additional work request.

Ref. Issue Tracker: 
https://enterprise.redhat.com/issue-tracker/?module=issues&action=view&tid=31310&gid=572