fix(fetch) fix redirect + Connection: close

[cirospaciari]

What does this PR do?

Fix: #13302
Fix: #15150

• Documentation or TypeScript types (it's okay to leave the rest blank in this case)
• Code changes

How did you verify your code works?

Tests

[robobun]

❌ @cirospaciari, your commit 5bbe46f has 9 failures in #7469:

test/js/bun/util/filesink.test.ts - 1 failing on 🐧 3.20 x64-baseline

test/cli/hot/hot.test.ts - timeout on 🐧 3.20 x64

test/cli/hot/hot.test.ts - timeout on 🐧 3.20 x64-baseline

test/v8/v8.test.ts - 22 failing on 🐧 3.20 aarch64

test/v8/v8.test.ts - 22 failing on 🐧 3.20 x64

test/v8/v8.test.ts - 22 failing on 🐧 3.20 x64-baseline

test/js/deno/performance/performance.test.ts - 1 failing on 🐧 24.04 x64

test/cli/install/bun-add.test.ts - timeout on 🐧 11 aarch64

test/js/third_party/comlink/comlink.test.ts - 1 failing on 🐧 24.04 aarch64

test/js/third_party/pino/pino.test.js - incorrect alignment on 🪟 2022 x64-baseline

test/js/third_party/pino/pino.test.js - segmentation fault at address 0xa490 on 🪟 2022 x64

test/js/web/timers/setInterval.test.js - 1 failing on 🪟 2025 x64-baseline

test/cli/run/require-cache.test.ts - 1 failing on 🪟 2019 x64-baseline

test/cli/run/require-cache.test.ts - 1 failing on 🪟 2025 x64-baseline

test/cli/run/require-cache.test.ts - 1 failing on 🪟 2019 x64