MDL-51856 tool_lp: Fixing PHPUnit notices and plan errors

admin/tool/lp/classes/external.php

@@ -1337,7 +1337,7 @@ class external extends external_api {
         $includerelated = new external_value(
             PARAM_BOOL,
             'Include or not related competencies',
-            VALUE_OPTIONAL,
+            VALUE_DEFAULT,
             false
         );
 

admin/tool/lp/classes/output/plans_page.php

@@ -87,8 +87,8 @@ class plans_page implements renderable, templatable {
         if ($this->plans) {
             foreach ($this->plans as $plan) {
                 $record = $plan->to_record();
-                $record['statusname'] = $plan->get_statusname();
-                $record['usercanupdate'] = $plan->can_update();
+                $record->statusname = $plan->get_statusname();
+                $record->usercanupdate = $plan->can_update();
                 $data->plans[] = $record;
             }
         }