fix: template build logs order

[dobrac]

Note

Handle backward log direction by reversing in the server and simplify cache GetLogs to always return ascending logs.

• Template build logs:
  • Server (template_status.go): Fetch logs once, reverse when direction == Backward, apply filters/offset/limit, then reverse result back to ascending to return consistent order.
  • Cache (build_cache.go): Simplify BuildInfo.GetLogs() to no-arg returning all log lines; remove in-method direction handling.

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[jakubno]

One NIT