tdf#138701 leave current combobox cursor valid if the contents won't change

Change-Id: I6d7f5de7b79d447590fcfa325f4be7430eaffd5f
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/107779
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/extensions/source/propctrlr/standardcontrol.cxx b/extensions/source/propctrlr/standardcontrol.cxx
index 436f5b4..c5b03aa 100644
--- a/extensions/source/propctrlr/standardcontrol.cxx
+++ b/extensions/source/propctrlr/standardcontrol.cxx
@@ -587,7 +587,10 @@ namespace pcr
    {
        OUString sText;
        _rValue >>= sText;
        getTypedControlWindow()->set_entry_text( sText );
        weld::ComboBox* pControlWindow = getTypedControlWindow();
        // tdf#138701 leave current cursor valid if the contents won't change
        if (pControlWindow->get_active_text() != sText)
            pControlWindow->set_entry_text(sText);
    }

    Any SAL_CALL OComboboxControl::getValue()