Shortcut for copying blocks via drag & drop between main panel and side panel

I would love to have a shortcut for copying blocks via drag & drop between the main panel and the side panel.

Currently, when I drag a block (e.g. a paragraph) from the main page to a page that is open in the side panel, the block is moved. I’m looking for a way to duplicate it instead – for example by holding a modifier key (like Shift) while dragging, similar to how many desktop apps handle drag-to-copy.

My use case: I often work with one page in the main panel and related notes or outlines in the side panel. In this workflow, I frequently want to reuse the same paragraph or block in multiple places without removing it from the original context.

A dedicated drag-to-copy shortcut between panels would make this much faster and more intuitive than copy–paste.

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