feature/conditionDialog

[LegoFed3]

• Add dialog on condition drop on sheet/token to select its duration (SHIFT-skippable as usual)
• Fix rendering of condition links in power previews
• Fix ongoing damage and system macro created AEs not appearing on tokens

TODOs:

• [x] Condition duration dialog on drag
• [x] shift bypass
• [x] handle token toggle
• [x] handle *sourceTurn
• [x] fix start/end-of-turn ongoing draggables not producing an ongoing AE
• [x] store source combat round to properly support next turn