Fixed search & device eventlog (#9329)

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In #9252 search box and inside device eventlog where broken.

Noticed in https://community.librenms.org/t/bug-set-filter-in-device-eventlog-shows-filtered-events-from-all-devices/5633

I hope my fix does the job :)

app/Http/Controllers/Table/EventlogController.php

@@ -58,6 +58,10 @@ class EventlogController extends TableController
             $query->where('type', $type);
         }
 
+        if ($searchPhrase = $request->get('searchPhrase')) {
+            $query->where('message', 'like', '%'.$searchPhrase.'%');
+        }
+
         return $query;
     }
 

html/pages/eventlog.inc.php

@@ -55,7 +55,7 @@ $pagetitle[] = 'Eventlog';
         '</div>&nbsp;&nbsp;&nbsp;&nbsp;' +
         <?php
         } else {
-            echo "'&nbsp;&nbsp;<input type=\"hidden\" name=\"device\" id=\"device\" value=\"" . $device_id . "\">' + ";
+            echo "'&nbsp;&nbsp;<input type=\"hidden\" name=\"device\" id=\"device\" value=\"" . $vars['device'] . "\">' + ";
         }
         ?>
         '<div class="form-group"><label><strong>Type&nbsp;&nbsp;</strong></label>' +