right align smart inv button

awx/ui/client/src/inventories-hosts/hosts/host.list.js

@@ -21,7 +21,7 @@ export default ['i18n', function(i18n) {
         trackBy: 'host.id',
         basePath: 'hosts',
         title: false,
-        actionHolderClass: 'List-actionHolder List-actionHolder--leftAlign',
+        actionHolderClass: 'List-actionHolder',
 
         fields: {
             toggleHost: {

awx/ui/client/src/inventories-hosts/hosts/hosts.partial.html

@@ -11,7 +11,7 @@
             </div>
         </div>
         <div>
-            <div class="List-actionHolder List-actionHolder--leftAlign">
+            <div class="List-actionHolder">
                 <div class="List-actions">
                     <div ng-include="'/static/partials/shared/list-generator/list-actions.partial.html'"></div>
                 </div>
@@ -29,7 +29,7 @@
                     default-params="host_default_params"
                     query-set="host_queryset"
                     search-tags="searchTags">
-                </smart-search>
+                </smart-search>  
             </div>
 
             <div class="row" ng-show="hosts.length === 0 && !(searchTags | isEmpty)">