OO-2592 move message with children and attachments, refresh originthread or move back to parent controller

OO-2603: selenium test to test suspended test in a course, remove fieldset in fieldset in calendar form

OO-2603: save the assessmentResult before suspending, ignore session with a finished time in resume process

OO-2602: skip close step if there are no review and no feedbacks, implement some selenium tests to secure the different flows for different settings

OO-2522: only save the assessment id if available to not loose it, fallback in QTI 2.1 to see the last session if the assessment id is not available

OO-2532: add selenium test for the options in test course element, hardened some functions, make QTI 1.2 test work with name of questions and named answers instead of index

OO-2599: fix reset quick search which works randomly, only set auto completer as dirty if the value changed