fix: platform table keyboard dnd

[mikerodonnell89]

fixes #9137

Focus a cell, press and hold alt/option key and use the up/down arrow keys to move it. Currently has the same behavior as mouse drag and drop

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[platon-rov]

Behavior doesn't look predictable, some when moving up/down doesn't take effect, here is a short video

Screen.Recording.2023-02-23.at.15.54.54.mov

[mikerodonnell89]

Behavior doesn't look predictable, some when moving up/down doesn't take effect, here is a short video

This is simply working the same way as if you were to click and drag the item one row up or down, so I think this can be considered the intended behavior. We have been talking about needing various platform table dnd improvements, I've created an issue here #9421

[g-cheishvili]

After one successful drag with keyboard, focus was lost and it is kinda hard to guess where next action will go 😀

[g-cheishvili]

After you group something with alt/option+arrow down you can not ungroup it. Focus is fixed though.
The same thing happens with mouse interaction, if you drag one item into another, there is no way to ungroup it, dragging child item above parent does not do anything.

Expectation probably is that after arrow down action, arrow up will set child on a level of a parent

[mikerodonnell89]

After you group something with alt/option+arrow down you can not ungroup it. Focus is fixed though. The same thing happens with mouse interaction, if you drag one item into another, there is no way to ungroup it, dragging child item above parent does not do anything.

Expectation probably is that after arrow down action, arrow up will set child on a level of a parent

Yes, we'll worry about that here: #9421