fix: fix error message for denied invite snot being shown

Signed-off-by: Miguel Nogueira <me@nogueira.codes>

app/Http/Controllers/InvitationController.php

@@ -100,11 +100,13 @@ class InvitationController extends Controller
             $invitation->save();
 
             return redirect()
-                ->with('success', __('Invitation denied. No notifications were sent. This user cannot be invited again.'))
-                ->back();
+                ->back()
+                ->with('success', __('Invitation denied. No notifications were sent. This user cannot be invited again.'));
+
         }
 
         return redirect()
+            ->back()
             ->with('error', __('This invitation could not be denied because it is either already approved, expired, or in an otherwise invalid state.'));
     }