test(project): fix pagination fixtures

Tien Rayrequested to merge
ray.tien0907/cli:test/7412-project-list-pagination into main

Summary

  • replace zero-valued project-list mock responses with realistic pagination metadata
  • update empty and single-project expectations to show coherent item and page totals
  • keep production project-list behavior unchanged

Testing

  • go test -count=1 ./internal/commands/project/list
  • make test-changed
  • make build
  • make lint (0 issues)
  • pre-commit and pre-push hooks pass lint, documentation/generated checks, build, and changed tests

AI assistance

This change was implemented and verified with Codex assistance.

Closes #7412 (closed)

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