Grids; Grids that allow Row deletions, but not updates, show Copy cell above/ below in right click menu

Grids that allow Row deletions, but not updates, show Copy cell above/ below in right click context menu.

Steps to Recreate
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1. Right-click on a Task Pane item and select "Customise".
2. Drilldown to the "MyShortcuts" group (or any other group with items).
3. Right-click on the Items grid.