Gap size in "copy instead" modal is not aligned with other modals

[kulmann]

Describe the bug

When cutting files/folders and then trying to paste them into a different space, we show a modal that informs the user about moving files not being possible and asking if the user wants to copy the files instead.
The gap size between a: header separator line and the first block of text and b: last block of text and the footer row with the buttons is bigger than usual and looks off.

Steps to reproduce

1. Select files in your personal space
2. Use batch action "cut" (or cmd+x keyboard shortcut)
3. Navigate into a different space
4. Use "paste" action (or cmd+v keyboard shortcut)

Expected behavior

Gap sizes in modal look like in every other modal.

Actual behavior

Gap sizes are not aligned with other modals, see Screenshot.

Screenshots

Additional context

The "copy instead" modal holds two <p> tags, which bring a margin of 14px top and bottom. Those margins (top on first <p> and bottom on last <p>) are unnecessary.