tdf#152150 make AccessibilityCheckDialog modal when child of modal pdf dialog

Change-Id: If6ff13d17a5ead40d9694ea861dc8946c201147e
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/143044
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/filter/source/pdf/impdialog.cxx b/filter/source/pdf/impdialog.cxx
index 7463028..16b4b8a 100644
--- a/filter/source/pdf/impdialog.cxx
+++ b/filter/source/pdf/impdialog.cxx
@@ -52,7 +52,6 @@ ImpPDFTabDialog::ImpPDFTabDialog(weld::Window* pParent, const Sequence< Property
    const Reference< XComponent >& rxDoc)
    : SfxTabDialogController(pParent, "filter/ui/pdfoptionsdialog.ui", "PdfOptionsDialog"),
    mrDoc(rxDoc),
    mpParent(pParent),
    maConfigItem( u"Office.Common/Filter/PDF/Export/", &rFilterData ),
    maConfigI18N( u"Office.Common/I18N/CTL/" ),
    mbIsPresentation( false ),
@@ -319,9 +318,10 @@ IMPL_LINK_NOARG(ImpPDFTabDialog, OkHdl, weld::Button&, void)
            if (!aCollection.getIssues().empty())
            {
                mpAccessibilityCheckDialog = std::make_shared<svx::AccessibilityCheckDialog>(
                    mpParent, aCollection, [pShell]() -> sfx::AccessibilityIssueCollection {
                    m_xDialog.get(), aCollection, [pShell]() -> sfx::AccessibilityIssueCollection {
                        return pShell->runAccessibilityCheck();
                    });
                mpAccessibilityCheckDialog->getDialog()->set_modal(true);
                weld::DialogController::runAsync(mpAccessibilityCheckDialog, [this](sal_Int32 retValue){
                    m_xDialog->response(retValue);
                });
@@ -348,6 +348,8 @@ ImpPDFTabDialog::~ImpPDFTabDialog()
    maConfigI18N.WriteModifiedConfig();
    if (mpAccessibilityCheckDialog)
    {
        // restore set_modal to its original state
        mpAccessibilityCheckDialog->getDialog()->set_modal(false);
        mpAccessibilityCheckDialog->response(RET_CANCEL);
    }
}
diff --git a/filter/source/pdf/impdialog.hxx b/filter/source/pdf/impdialog.hxx
index 5063f91..9dc97d6 100644
--- a/filter/source/pdf/impdialog.hxx
+++ b/filter/source/pdf/impdialog.hxx
@@ -59,7 +59,6 @@ class ImpPDFTabLinksPage;
class ImpPDFTabDialog final : public SfxTabDialogController
{
    css::uno::Reference<css::lang::XComponent> mrDoc;
    weld::Window* mpParent;

    FilterConfigItem            maConfigItem;
    FilterConfigItem            maConfigI18N;