feat: enable keyboard incrementing on numeric inputs

[batonac]

Numeric inputs would be improved via increment shortcuts. I propose that keyboard incrementing (up/down keys) is a must, and mouse wheel/scrolling incrementing be considered as well.

[batonac]

Edit: I just discovered that click-and-drag incrementing is already implemented! That's arguably better than scroll-to-increment.🤩

I suggest that keyboard incrementing be implemented as well.

[batonac]

Edit 2: Pure numeric inputs like the order field already utilize an input of type number, so all requested functionality is satisfied already:

The issue is on inputs that use a text-type input in order to support units, such as dimensions: