Bug fixes

• pr view: prioritize latest PR when looking up PRs for a branch #2479

• issue create: fix respecting chosen action #2519

• issue/pr create: avoid resetting metadata specified via flags #2472

• pr create: allow interactive flow even if git commits could not be detected locally

• Allow setting GITHUB_ENTERPRISE_TOKEN to avoid auth login #2521

• pr create: document that reviewers can be teams #2465

• Bump AlecAivazis/survey #2480