Merge pull request #533 from lekoala/3-1

don't trigger permissionFailure when it's not needed

src/Extensions/LeftAndMainSubsites.php

@@ -369,7 +369,7 @@ public function onBeforeInit()
             }
 
             // We have not found any accessible section or subsite. User should be denied access.
-            return Security::permissionFailure($this->owner);
+            // This is handled already by LeftAndMain thanks to alternateAccessCheck
         }
 
         // Current site is accessible. Allow through.