Fix code scanning alert no. 1: Server-side request forgery

[VersoriumX]

Fixes https://github.com/VersoriumX/Dappland-X/security/code-scanning/1

To fix the SSRF vulnerability, we need to validate and sanitize the name parameter before using it in the URL. One effective way is to use an allow-list of valid name values. This ensures that only predefined, safe values are used in the request.

1. Create an allow-list of valid name values.
2. Validate the name parameter against this allow-list before using it in the fetch request.
3. If the name is not in the allow-list, handle it appropriately (e.g., return an error or use a default value).

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