[FIX] prevent dragging click target images of m2o and datetime fields

can get slightly disturbing when missing a click and slightly dragging the image instead, possibly to the input (pasting its URL)
[FIX] Fixed layout
[FIX] ViewManagerAction's do_create_view() does not pipe _super's deferred.
[MERGE] [FIX] Fixed TWSB (The White Square Bug)
[FIX] BufferedDataset ids should not be passed to on_changes