Reset the label when the markers disappear

This should really be made into a slot.

src/lib/webengine/webview.cpp

@@ -164,7 +164,7 @@ void WebView::setPage(WebPage *page)
     connect(m_page, &WebPage::privacyChanged, this, &WebView::privacyChanged);
     connect(m_page, &WebPage::printRequested, this, &WebView::printPage);
     connect(m_page, &WebPage::linkMarkersCleared,
-            [=]() {m_followLink = false;});
+            [=]() {m_followLink = false;m_currentLinkMarkerLabel=QString(); });
 
     // Set default zoom level
     zoomReset();