Select Questions Improvements

New features: Improved course dashboard, improved clarity on learn vs practice modes You can now select questions in practice-course mode - only the questions you have learned are selectable Manual mode now works in practice-course mode We've made select questions easier to use: You can now filter your questions by nouns, adjectives, verbs and more (Only if available in supported languages) BUG FIXES: The category tree now shows Leitner box if box mode is selected The annoying report bug button is now only enabled when you prompt it, by clicking the speed dial and opening it Custom exam pages are more usable on mobile