refactor: streamline sales and expenses management in client resource

- Move create/edit logic from relation managers to dedicated resource pages
- Add transaction handling with proper rollback in sale create/update
- Fix expense transaction creation by using correct array access
- Set default client from query parameter in sale/expense forms
- Exclude 'type' field from balance creation to prevent errors

app/Actions/Balances/CreateBalanceAction.php

@@ -15,7 +15,7 @@ class CreateBalanceAction extends BaseAction
 
     public function __invoke(Data $payload, Closure $next)
     {
-        $this->createBalanceCommand->execute($payload->balanceDTO->except('amount')->toArray());
+        $this->createBalanceCommand->execute($payload->balanceDTO->except('amount', 'type')->toArray());
 
         return $next($payload);
     }