Move modal top spacing to the header to avoid side-effect when scrolling
Move modal top spacing to the header to avoid side-effect when scrolling

Signed-off-by: Julius Härtl <bf353fa4999f2f148afcc6d8ee6cb1ee74cc07c3@bitgrid.net>

juliushaertl/deck,nextcloud/deck,nextcloud/deck,juliushaertl/deck,nextcloud/deck,juliushaertl/deck