feat(server): add testnet id for xchf token

[lykalabrada]

What this PR does / why we need it:

As titled.

Which issue(s) does this PR fixes?:

Fixes #

Additional comments?:

Developer Checklist:

• Read your code changes at least once
• No console errors on web
• Tested on Light mode and Dark mode*
• Your UI implementation visually matched the rendered design*
• Unit tests*
• Added e2e tests*
• Added translations*

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