fdo#75359 - SIFR: Line Spacing 1.5 icon missing

Change-Id: I1f7c23277f0956d99502ee58b869c07cf04276cb
Reviewed-on: https://gerrit.libreoffice.org/12008
Reviewed-by: Matthew Francis <mjay.francis@gmail.com>
Tested-by: Matthew Francis <mjay.francis@gmail.com>