MDL-79128 adhoc_task: Added 'Never' status for ad-hoc task Next run

Co-authored-by: Stevani Andolo <[email protected]>

lib/classes/task/manager.php

@@ -543,6 +543,7 @@ class manager {
                     'failed' => 0,
                     'running' => 0,
                     'due' => 0,
+                    'stop' => false,
                 ];
             }
 
@@ -564,6 +565,11 @@ class manager {
                 }
             }
 
+            // Mark the task as stopped if it has no attempts available.
+            if (isset($r->attemptsavailable) && $r->attemptsavailable == 0) {
+                $classsummary['stop'] = true;
+            }
+
             $summary[$r->component][$r->classname] = $classsummary;
         }
         return $summary;