[Issue] Document Exceptions in Asset Repository Functions

[m2-assistant]

This issue is automatically created based on existing pull request: #38975: Document Exceptions in Asset Repository Functions

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Description (*)

The updateDesignParams() function has the capacity to throw the UnexpectedValueException but this is not documented in either of the functions that call it. Additionally, the createAsset() function has the potential to throw a LocalizedException which is not documented by either of the functions that make use of it.

Manual testing scenarios (*)

1. Create a class that makes use of the modified functions
2. Observe your IDE report the potential for the aforementioned exceptions

Contribution checklist (*)

• Pull request has a meaningful description of its purpose
• All commits are accompanied by meaningful commit messages
• All new or changed code is covered with unit/integration tests (if applicable)
• README.md files for modified modules are updated and included in the pull request if any README.md predefined sections require an update
• All automated tests passed successfully (all builds are green)