stop GxsGroupFrameDialog from stealing the focus on summary update

retroshare-gui/src/gui/gxs/GxsGroupFrameDialog.cpp

@@ -1105,6 +1105,11 @@ void GxsGroupFrameDialog::updateGroupSummary()
 			 * Qt::QueuedConnection is important!
 			 */
 
+            // Here we save the focus, and restore it afterwards: there's no need to grab the focus here and
+            // if we do, it may harm the navitation in forums, channels, boards, etc.
+
+            auto w = QApplication::focusWidget();
+
             insertGroupsData(*groupInfo);
 			updateSearchResults();
 
@@ -1132,6 +1137,11 @@ void GxsGroupFrameDialog::updateGroupSummary()
 
             delete groupInfo;
 
+            // Restore the focus.
+
+            if(w)
+                w->setFocus();
+
         }, this );
 	});
 }