Fixed activity type for "denied" organisations

src/Controller/OrganisationRegistrationController.php

@@ -462,7 +462,7 @@ class OrganisationRegistrationController extends SimpleController
 
             // Record the event in the activity log
             $this->ci->userActivityLogger->info("User {$currentUser->user_name} denied the registration request for organisation {$organisation->name}.", [
-                'type'    => 'organisation_approved',
+                'type'    => 'organisation_denied',
                 'user_id' => $currentUser->id,
             ]);
         });
@@ -552,7 +552,7 @@ class OrganisationRegistrationController extends SimpleController
 
             // Record the event in the activity log
             $this->ci->userActivityLogger->info("User {$currentUser->user_name} denied the registration request for organisation {$organisation->name}.", [
-                'type'    => 'organisation_approved',
+                'type'    => 'organisation_denied',
                 'user_id' => $currentUser->id,
             ]);
         });