fix some worker-related stability issues

[Jarred-Sumner]

What does this PR do?

Fixes #11560
Fixes #11603

How did you verify your code works?

[github-actions]

❌ @Jarred-Sumner, your commit has failing tests :(

💻 1 failing tests Darwin x64 baseline

• test/cli/install/bun-create.test.ts 1 failing

🪟💻 2 failing tests Windows x64 baseline

• test/cli/install/bunx.test.ts 1 failing
• test/js/node/watch/fs.watchFile.test.ts 3 failing

🪟💻 4 failing tests Windows x64

• test/cli/install/bunx.test.ts 1 failing
• test/integration/next-pages/test/dev-server.test.ts 1 failing
• test/js/bun/io/bun-write.test.js 1 failing
• test/js/node/watch/fs.watchFile.test.ts 3 failing

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