'Undefined' Reference Sample in Instrument QC graph print view
Fix error when submitting Worksheet

Traceback (innermost last):

    Module ZPublisher.Publish, line 138, in publish
    Module ZPublisher.mapply, line 77, in mapply
    Module ZPublisher.Publish, line 48, in call_object
    Module bika.lims.browser.worksheet, line 66, in __call__

AttributeError: 'WorksheetWorkflowAction' object has no attribute 'checkUserManage'