Resolves: tdf#151441 queries don't show any content

Change-Id: I66ec14c7cb8816bc2181cc25f7d7f31fdc7d1604
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/141067
Tested-by: Jenkins
Reviewed-by: Xisco Fauli <xiscofauli@libreoffice.org>
diff --git a/dbaccess/source/ui/control/dbtreelistbox.cxx b/dbaccess/source/ui/control/dbtreelistbox.cxx
index 09ca5b4..eb89e1f 100644
--- a/dbaccess/source/ui/control/dbtreelistbox.cxx
+++ b/dbaccess/source/ui/control/dbtreelistbox.cxx
@@ -186,8 +186,16 @@ TreeListBox::~TreeListBox()
std::unique_ptr<weld::TreeIter> TreeListBox::GetEntryPosByName(std::u16string_view aName, const weld::TreeIter* pStart, const IEntryFilter* _pFilter) const
{
    auto xEntry(m_xTreeView->make_iterator(pStart));
    if (!pStart && !m_xTreeView->get_iter_first(*xEntry))
        return nullptr;
    if (pStart)
    {
        if (!m_xTreeView->iter_children(*xEntry))
            return nullptr;
    }
    else
    {
        if (!m_xTreeView->get_iter_first(*xEntry))
            return nullptr;
    }

    do
    {