Includes a non-production warning when rendering DraggableDialogHandle and DraggableDialogSurface outside a DraggableDialog as they don't work without it.
Add missing basic test cases and cover the previous scenario
More tests will be added in a follow-up PR, but this was necessary to prepare the files to receive those upcoming tests.
DraggableDialogHandleandDraggableDialogSurfaceoutside aDraggableDialogas they don't work without it.More tests will be added in a follow-up PR, but this was necessary to prepare the files to receive those upcoming tests.