fix(bundler): bundling invalid html / export star as / react refresh fixes

[paperclover]

Fixes #17554
Fixes #17564
Fixes #17566

the invalid html caused a crash because the dev server did not know where to inject script and style tags. this removes the body tag code since i decided to inject everything into head

[robobun]

^{Updated 12:26 AM PT - Feb 26th, 2025}

❌ @paperclover, your commit 67456dd has 2 failures in Build #12292:

• test/js/bun/http/serve-body-leak.test.ts - 5 failing on 🐧 3.20 x64
• test/cli/install/bun-install-registry.test.ts - 1 failing on 🪟 2019 x64-baseline
• test/cli/install/bun-install-registry.test.ts - 1 failing on 🪟 2019 x64

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🧪   try this PR locally:

bunx bun-pr 17685