[Bug] generated information aren't merged with `argTypes` coming from stories meta

[Bricklou]

Describe the bug

When using the plugin to generate all the ArgTypes information, any additional configuration through the argTypes field aren't merged with the generated data.

Steps to reproduce the behavior

1. Create an angular component with input/output signals documented using TSDoc.
2. Create the associated story and override the argType for one of the fields.
3. See the ArgTypes table on the autodocs page
4. You will a same field display multiple time (one from the plugin, the other from the stories meta)

Expected behavior

All the field information should be merged together as one single line.

Screenshots and/or logs

Environment

• OS: [e.g. iOS] NixOS 25.11 (Xantusia)
• Node.js version: [e.g. v12.17.0] v22.17.0
• NPM version: [e.g. 6.14.4] pnpm 10.12.4
• Browser (if applicable): [e.g. chrome, safari] Microsoft Edge
• Browser version (if applicable): [e.g. 22] 138.0.3351.83
• Device (if applicable): [e.g. iPhone6]

Additional context

Add any other context about the problem here.