Update OpenProject image in openDesk

Some dates and scheduling mode are lost when creating project from template

Edge case when creating a section for an empty non-blankslate meeting

Error when dragging a work package to its children in work packages list

Creation of sub-items in hierarchy custom field not possible (error 500)

'Make project public' modal has to be scrolled to be read in full

Meeting occurrence blankslate disappears if item from the backlog is added and removed before other user refreshes the page

Use transparent images instead of inverted for EE banners

Missing/wrong error handling for periodic activity tab updates

Polling meeting updates can cause Browser's Basic auth pop-up