gtktiledviewer: don't hide cursor after doc size changed

Unconditional call to lok_doc_view_reset_view() resulted in hiding the
cursor, but then nothing enabled it. As a result, the cursor got hidden
after the doc size changed.

Change-Id: I06e7c9293e7a4cdbc73421a82430816ab0001f90

libreofficekit/qa/gtktiledviewer/gtktiledviewer.cxx

@@ -828,8 +828,10 @@ static void changePart( GtkWidget* pSelector, gpointer /* pItem */ )
     TiledWindow& rWindow = lcl_getTiledWindow(pSelector);
 
     if (rWindow.m_bPartSelectorBroadcast && rWindow.m_pDocView)
+    {
         lok_doc_view_set_part( LOK_DOC_VIEW(rWindow.m_pDocView), nPart );
-    lok_doc_view_reset_view(LOK_DOC_VIEW(rWindow.m_pDocView));
+        lok_doc_view_reset_view(LOK_DOC_VIEW(rWindow.m_pDocView));
+    }
 }
 
 static void removeChildrenFromStatusbar(GtkWidget* children, gpointer pData)