Prevent mobile table td collapsing issue

Fixes openshift#1128

Author: sg00dwin

app/views/builds.html

@@ -89,7 +89,7 @@ <h1>
                     </td>
                     <td data-title="Duration">
                       <duration-until-now ng-if="latestBuild.status.startTimestamp && !latestBuild.status.completionTimestamp" timestamp="latestBuild.status.startTimestamp" time-only></duration-until-now>
-                      <span ng-if="latestBuild.status.startTimestamp && latestBuild.status.completionTimestamp">{{latestBuild.status.startTimestamp | duration : latestBuild.status.completionTimestamp}}</span>
+                      <span ng-if="latestBuild.status.startTimestamp && latestBuild.status.completionTimestamp">{{latestBuild.status.startTimestamp | duration : latestBuild.status.completionTimestamp}}</span>&nbsp;
                     </td>
                     <td data-title="Created">
                       <span am-time-ago="latestBuild.metadata.creationTimestamp"></span>

dist/scripts/templates.js

@@ -4083,7 +4083,7 @@ angular.module('openshiftConsoleTemplates', []).run(['$templateCache', function(
     "</td>\n" +
     "<td data-title=\"Duration\">\n" +
     "<duration-until-now ng-if=\"latestBuild.status.startTimestamp && !latestBuild.status.completionTimestamp\" timestamp=\"latestBuild.status.startTimestamp\" time-only></duration-until-now>\n" +
-    "<span ng-if=\"latestBuild.status.startTimestamp && latestBuild.status.completionTimestamp\">{{latestBuild.status.startTimestamp | duration : latestBuild.status.completionTimestamp}}</span>\n" +
+    "<span ng-if=\"latestBuild.status.startTimestamp && latestBuild.status.completionTimestamp\">{{latestBuild.status.startTimestamp | duration : latestBuild.status.completionTimestamp}}</span>&nbsp;\n" +
     "</td>\n" +
     "<td data-title=\"Created\">\n" +
     "<span am-time-ago=\"latestBuild.metadata.creationTimestamp\"></span>\n" +