fix jumping when clicking tree nodes

I would also suggest to turn the font-size back to 12px and padding back to 1px 0 there. Maybe only push the font-size to 14px in articles, since that's what we look at most. Everything else should visually step back.

tt-rss.css

@@ -1041,7 +1041,7 @@ div.hl.active {
 	margin-right : 25px;
 }
 
-#feedTree .dijitTreeRow, #feedTree .dijitFocused {
+#feedTree .dijitTreeRow {
 	padding : 2px 0px 2px;
 	border-width : 1px;
 	border-color : transparent;