Workflows; Icons updated

The following Workflow Icons have been updated for consistency with other finPOWER Connect Version 2 Icons:
* WorkflowItem_Action (orange arrow)
* WorkflowItem_DoNotAction (orange arrow with cross)
* Not used in built-in functionality but available from icon dropdown lists
* WorkflowItem_Pass (previously a blue tick, now the standard green tick)
* WorkflowItem_Fail (red cross)
* WorkflowItem_Reset (previously a green bullet, now the standard blue reset icon)
* WorkflowItem_Question (previously a question mark, now a person with a question mark)
* WorkflowItem_NA (blue text)