tdf#147767 html pasted to calc has very small font

regression from
    commit da9bba7cc3c243e936daea689fea64ecaf110f35
    Author: Noel Grandin <noel.grandin@collabora.co.uk>
    Date:   Mon Jul 26 10:10:17 2021 +0200
    use officecfg for SvxHtmlOptions

Change-Id: Ia84d713a18b4c694af98478681996b6156cbb928
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/131393
Tested-by: Noel Grandin <noel.grandin@collabora.co.uk>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
(cherry picked from commit 15c097010f1567d933abf046bc43447bd7415e4c)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/131364
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/sc/source/filter/html/htmlpars.cxx b/sc/source/filter/html/htmlpars.cxx
index ae93c3e..f86b9e3 100644
--- a/sc/source/filter/html/htmlpars.cxx
+++ b/sc/source/filter/html/htmlpars.cxx
@@ -188,13 +188,13 @@ ScHTMLParser::ScHTMLParser( EditEngine* pEditEngine, ScDocument* pDoc ) :
    ScEEParser( pEditEngine ),
    mpDoc( pDoc )
{
    maFontHeights[0] = officecfg::Office::Common::Filter::HTML::Import::FontSize::Size_1::get();
    maFontHeights[1] = officecfg::Office::Common::Filter::HTML::Import::FontSize::Size_2::get();
    maFontHeights[2] = officecfg::Office::Common::Filter::HTML::Import::FontSize::Size_3::get();
    maFontHeights[3] = officecfg::Office::Common::Filter::HTML::Import::FontSize::Size_4::get();
    maFontHeights[4] = officecfg::Office::Common::Filter::HTML::Import::FontSize::Size_5::get();
    maFontHeights[5] = officecfg::Office::Common::Filter::HTML::Import::FontSize::Size_6::get();
    maFontHeights[6] = officecfg::Office::Common::Filter::HTML::Import::FontSize::Size_7::get();
    maFontHeights[0] = officecfg::Office::Common::Filter::HTML::Import::FontSize::Size_1::get() * 20;
    maFontHeights[1] = officecfg::Office::Common::Filter::HTML::Import::FontSize::Size_2::get() * 20;
    maFontHeights[2] = officecfg::Office::Common::Filter::HTML::Import::FontSize::Size_3::get() * 20;
    maFontHeights[3] = officecfg::Office::Common::Filter::HTML::Import::FontSize::Size_4::get() * 20;
    maFontHeights[4] = officecfg::Office::Common::Filter::HTML::Import::FontSize::Size_5::get() * 20;
    maFontHeights[5] = officecfg::Office::Common::Filter::HTML::Import::FontSize::Size_6::get() * 20;
    maFontHeights[6] = officecfg::Office::Common::Filter::HTML::Import::FontSize::Size_7::get() * 20;
}

ScHTMLParser::~ScHTMLParser()