MDL-42629 course: management peer-review alterations

* Added confirmation when bulk moving courses.
* Increased min-width of category course count to allow for 3 digits.
* Fixed sub-category => subcategory
* Renamed console JS vars to managementconsole
* Added typeof operator
* Renamed oldcatcourses and newcatcourses as suggested
* Added a span around course count and interacted with that.
* Fixed icon sizing
* Fixed management behat tests
* Fixed wrapping of strings in menus