tdf#120286 Disable edit style if inherit from is disabled or None

Change-Id: Ia08adef09292d330d570a5a931d83317ffa7c3f2
Reviewed-on: https://gerrit.libreoffice.org/76825
Tested-by: Jenkins
Reviewed-by: Jim Raykowski <raykowj@gmail.com>
diff --git a/sfx2/source/dialog/mgetempl.cxx b/sfx2/source/dialog/mgetempl.cxx
index 4b022a8..817174c 100644
--- a/sfx2/source/dialog/mgetempl.cxx
+++ b/sfx2/source/dialog/mgetempl.cxx
@@ -505,7 +505,10 @@ void SfxManageStyleSheetPage::Reset( const SfxItemSet* /*rAttrSet*/ )
            pStyle->SetParent( aParent );

        if ( aParent.isEmpty() )
        {
            m_xBaseLb->set_active_text( SfxResId(STR_NONE) );
            m_xEditLinkStyleBtn->set_sensitive( false );
        }
        else
            m_xBaseLb->set_active_text( aParent );

@@ -516,6 +519,8 @@ void SfxManageStyleSheetPage::Reset( const SfxItemSet* /*rAttrSet*/ )
            m_xBaseLb->set_sensitive(false);
        }
    }
    else
        m_xEditLinkStyleBtn->set_sensitive( false );

    if (m_xFilterLb->get_sensitive())
    {