[Datatable]: fix buttons position

core/views/tools/datatable.tpl

@@ -11,7 +11,7 @@
    <divid="hostListing">
         <div id="tableLeft">
             <!-- Add / Actions -->
-            <div class="buttonGroup">
+            <div class="buttonGroup absolute">
                 {if (isset($objectAddUrl) && !empty($objectAddUrl))}
                   <div class="configuration-actions">
                     <button class="btnC btnSuccess" id="modalAdd">{t}Add {$objectName}{/t}</button>

www/static/centreon/less/centreon.buttons.less

@@ -3,6 +3,9 @@
   z-index: 1;
   //top: @paddingElem/2;
 
+    &.absolute {
+      position: absolute;
+    }
   .configuration-actions,
   #selected_option,
   #addToGroup