As a user, I can choose the fields to be shown on the columns within the Traceability Report

As a user, I can choose the fields to be shown on the columns within the Traceability Report.

• "Requeriments": all "possible fields" related to "requirement" issues (e.g. story, epic, etc)
• Tests: all "possible fields" related to Test issues
• Test Runs: all "possible fields" related to the Test Execution along with the Test Run specific ones (Begin Date, End Date, status, revision, Test Environment)

By "possible fields", it includes these types of fields:

• labels
• Text Field (single line)
• checkboxes
• date picket
• date time picker
• number field
• radio button
• select list (single choice)
• user picker