Fix table position for perfdata without piecharts

refs #8334

modules/monitoring/application/views/helpers/Perfdata.php

@@ -94,8 +94,14 @@ class Zend_View_Helper_Perfdata extends Zend_View_Helper_Abstract
         if ($compact) {
             return join('', $results);
         } else {
-            $pieCharts = empty($table) ? '' : '<table class="perfdata">' . implode("\n", $table) . '</table>';
+            if (empty($table)) {
-            return $pieCharts;
+                return '';
+            }
+            return sprintf(
+                '<table class="perfdata %s">%s</table>',
+                isset($columns['']) ? 'perfdata-piecharts' : '',
+                implode("\n", $table)
+            );
         }
     }
 }

public/css/icinga/main-content.less

@@ -142,10 +142,11 @@ table.objectstate tr.state.handled td.state {
 table.perfdata {
   min-width: 24em;
   font-size: 0.9em;
-  position: relative;
+}
-  top: 1.8em;
+
+table.perfdata.perfdata-piecharts {
   left: -2.6em;
-  margin-bottom: 1.8em;
+  position: relative;
 }
 
 table.perfdata th {