added a check if the task has run yet (#385)

* added a null check on the last_run

* corrected a mistake made when changing the file

* another mistake :/

* changed to be less specific and so it checks against the value instead of >

resources/lang/en/strings.php

@@ -57,6 +57,7 @@ return [
     'queued' => 'Queued',
     'last_run' => 'Last Run',
     'next_run' => 'Next Run',
+    'not_run_yet' => 'Not Run Yet',
     'yes' => 'Yes',
     'no' => 'No',
     'delete' => 'Delete',