Docopsv3/kanban fixes

[Davy-c]

Changes

• Add temporary add button after lists ( creation UI to change )
• change drag event to be on the whole header for kanban header
• unify calendar and kanban watched prop ( to be refactored in a following PR- saturday/monday)

Bug fixes

• fix lexorank bug for default status list
• fix keynav and icons of suggestionSelect
• hide statuses already present in kanban lists from within statusselector
• fix Status selector keynav and style

Style

• Use navigation item in Kanban item + fix overflow
• remove unused button
• remove border for new folder item in view manager
• Change background of calendar buttons
• label of viewSelector add button
• renamed some elements