[BUG]: tunnel server can produce URLs that include invalid subdomain with >63 length

[Yshayy]

Bug description?

Subdomain is limited to 63 characters, we should trim to the characters to support valid URLs.
Implementation can be done in tunnel server or Preevy/compose tunnel agent.
In both cases, we should pay attention to the CLI functionality of predicting the URL for injecting env variables:
https://preevy.dev/recipes/service-discovery

We should also think if we want to truncate the entire subdomain url, or set a size limit for each fragment:
https://{service}-{[port]}-{env-id}-{client-id}

Additional context

Current workaround: use the --id flag in up to create a shorter env identifier or use shorter branch names.

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[Roy Razon]

Fixed