[JENKINS-25953]Tabs in job view are layouted in wrong way

make equal height of tab regardless if selected or not

(cherry picked from commit 70613202)

war/src/main/webapp/css/style.css

@@ -427,10 +427,10 @@ pre.console {
 }
 .tabBar [type=radio]:checked ~ a {
   border: solid 1px #f0f0f0;
+  border-bottom: none;
   background: #eee;
   color: #000;
   font-weight: bold;
-  border-bottom: 1px solid #eee;
   z-index: 2;
 }
 .tabBarBaseline {