fix: cancel drag on scheduling page when item moves beyond container y bounds #320

[Preston-Cook]

fix: cancel drag on scheduling page when item moves beyond container y bounds #320

Before:
https://github.com/user-attachments/assets/4c41416c-6bb6-4837-93c6-0c01dc76c15e

After:
https://github.com/user-attachments/assets/5b9adecb-dd40-48a2-bdab-b3b6234443d2

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This change is 

[Razboy20]

This is a more difficult challenge to solve than just cancelling drag.

Just to condense what is on discord, change this to constrain dragging to be relatively within the bounds of the drag container. When dragging outside, it should be able to be "pulled" slightly outside, but physically still held within the container. The other elements should also not reorder into the space that the draggable is occupying (i.e. if you drag all the way to the top of the screen, the dragged item is the top item in the list, slightly pulled upwards from where it would ultimately rest if the drag was released.)