Amendment for Examquestions

1st commit :
(1) Mandatory subject & topic
(2) Amendment for SEQ question type data entry
(3) Editor vs Approver list

2nd commit:
Fix for examquestions (SEQ) - resubmission (topic) & default value assignment for (short_essay) fields if no data entered during record creation(new).

3rd commit:
(1) remove description field
(2) set preselected value & populate subjects based on logged-in user
(3) mandatory programme & subject for NEW exam
(4) preselected programme & preselected/populated subject for resubmission of new exam(incomplete form) -based on previously entered data