Ensure durection is cast to an int (#1270)

Signed-off-by: Kevin Ullyott <kevin.ullyott@canyongbs.com>

app-modules/interaction/src/Filament/Resources/InteractionResource/Pages/CreateInteraction.php

@@ -92,7 +92,7 @@ public function form(Form $form): Form
             }
 
             $set('end_datetime', Carbon::parse($startDateTime)
-                ->addMinutes($duration)
+                ->addMinutes((int) $duration)
                 ->toDateTimeString());
         };