Resolves: tdf#129191 text properties in header/footer not set

EditEngine has a non-virtual void SetText( const EditTextObject& rTextObject );
ScEditEngineDefaulter inherits from EditEngine but does

using EditEngine::SetText
void            SetText( const EditTextObject& rTextObject );

so has another SetText with the same signature that does something different,
so calling via an EditEngine pointer gets the unwanted base version

Change-Id: I72e368e6698d5b9a205180cfd2c4f800be7846f8
Reviewed-on: https://gerrit.libreoffice.org/84545
Tested-by: Jenkins
Reviewed-by: Xisco Faulí <xiscofauli@libreoffice.org>
diff --git a/sc/source/ui/pagedlg/tphfedit.cxx b/sc/source/ui/pagedlg/tphfedit.cxx
index 9a41ffd..01c10d0 100644
--- a/sc/source/ui/pagedlg/tphfedit.cxx
+++ b/sc/source/ui/pagedlg/tphfedit.cxx
@@ -161,7 +161,7 @@ void ScEditWindow::SetFont( const ScPatternAttr& rPattern )

void ScEditWindow::SetText( const EditTextObject& rTextObject )
{
    m_xEditEngine->SetText( rTextObject );
    GetEditEngine()->SetText( rTextObject );
}

void ScEditWindow::InsertField( const SvxFieldItem& rFld )