minor #727 Fix CS in agent-as-tool example (chr-hertel)

This PR was merged into the main branch.

Discussion
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 Fix CS in agent-as-tool example

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| Docs?         | no
| Issues        |
| License       | MIT

Commits
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c8624de Fix CS in agent-as-tool example

Author: chr-hertel

examples/openai/agent-as-tool.php

@@ -13,10 +13,10 @@
 use Symfony\AI\Agent\InputProcessor\SystemPromptInputProcessor;
 use Symfony\AI\Agent\Toolbox\AgentProcessor;
 use Symfony\AI\Agent\Toolbox\Tool\Agent as AgentTool;
+use Symfony\AI\Agent\Toolbox\Toolbox;
 use Symfony\AI\Agent\Toolbox\ToolFactory\ChainFactory;
 use Symfony\AI\Agent\Toolbox\ToolFactory\MemoryToolFactory;
 use Symfony\AI\Agent\Toolbox\ToolFactory\ReflectionToolFactory;
-use Symfony\AI\Agent\Toolbox\Toolbox;
 use Symfony\AI\Platform\Bridge\OpenAi\PlatformFactory;
 use Symfony\AI\Platform\Message\Message;
 use Symfony\AI\Platform\Message\MessageBag;