tdf#117823 Save mail merge config item in new view

The config object is now saved in a newly created document.

Regression from commit id 00fa85e7.

Change-Id: I2265de1dd69038d447e28dfda2e85c7cf89903c6
Reviewed-on: https://gerrit.libreoffice.org/59728
Tested-by: Jenkins
Reviewed-by: Michael Stahl <Michael.Stahl@cib.de>

sw/source/uibase/app/apphdl.cxx

@@ -479,6 +479,7 @@ IMPL_LINK_NOARG( SwMailMergeWizardExecutor, EndDialogHdl, Dialog&, void )
             std::shared_ptr<SwMailMergeConfigItem> xMMConfig = m_pView->GetMailMergeConfigItem();
             if (pNewView)
             {
+                pNewView->SetMailMergeConfigItem(xMMConfig);
                 m_pView = pNewView;
                 xMMConfig->DocumentReloaded();
                 //new source view!