improve Bun.stringWidth's algorithm

[nektro]

previous one was not parsing out the ansi escape codes at all

[github-actions]

❌ @nektro 2 files with test failures on linux-x64-baseline:

• test/js/bun/shell/leak.test.ts 2 failing
• test/js/node/http2/node-http2.test.js 1 failing

View test output

^{#3657b4672579e0fbc452a7abc30a02ae50eb2533}

[github-actions]

❌ @nektro 1 files with test failures on linux-x64:

• test/js/bun/shell/leak.test.ts 2 failing

View test output

^{#3657b4672579e0fbc452a7abc30a02ae50eb2533}

[github-actions]

❌🪟 @nektro, there are 38 test regressions on Windows x86_64

• test\bundler\bundler_edgecase.test.ts
• test\cli\hot\hot.test.ts
• test\cli\run\require-cache.test.ts
• test\cli\run\transpiler-cache.test.ts
• test\js\bun\dns\resolve-dns.test.ts
• test\js\bun\http\fetch-file-upload.test.ts
• test\js\bun\shell\bunshell-file.test.ts
• test\js\bun\shell\shelloutput.test.ts
• test\js\bun\shell\throw.test.ts
• test\js\deno\fetch\response.test.ts
• test\js\bun\http\bun-server.test.ts
• test\js\node\dns\node-dns.test.js
• test\js\node\env-windows.test.ts
• test\js\node\process\process-args.test.js
• test\js\node\process\process.test.js
• test\js\node\util\node-inspect-tests\parallel\util-inspect.test.js
• test\js\node\worker_threads\worker_threads.test.ts
• test\js\third_party\body-parser\express-body-parser-test.test.ts
• test\js\third_party\jsonwebtoken\issue_147.test.js
• test\js\third_party\socket.io\socket.io-close.test.ts
• test\js\third_party\socket.io\socket.io-connection-state-recovery.test.ts
• test\js\third_party\socket.io\socket.io-handshake.test.ts
• test\js\third_party\socket.io\socket.io-messaging-many.test.ts
• test\js\third_party\socket.io\socket.io-middleware.test.ts
• test\js\third_party\socket.io\socket.io-namespaces.test.ts
• test\js\third_party\socket.io\socket.io-server-attachment.test.ts
• test\js\third_party\socket.io\socket.io-socket-middleware.test.ts
• test\js\third_party\socket.io\socket.io-socket-timeout.test.ts
• test\js\third_party\socket.io\socket.io-utility-methods.test.ts
• test\js\third_party\socket.io\socket.io.test.ts
• test\js\web\fetch\body.test.ts
• test\js\web\fetch\body-stream.test.ts
• test\js\web\fetch\fetch.test.ts
• test\js\web\timers\performance.test.js
• test\js\web\timers\setTimeout.test.js
• test\js\web\websocket\websocket.test.js
• test\regression\issue\08095.test.ts
• test\js\web\workers\worker.test.ts

Full Test Output

[github-actions]

❌ @nektro 1 files with test failures on bun-darwin-aarch64:

• test/js/third_party/prisma/prisma.test.ts 1 failing

View test output

^{#3657b4672579e0fbc452a7abc30a02ae50eb2533}

[github-actions]

❌ @nektro 1 files with test failures on bun-darwin-x64:

• test/js/third_party/postgres/postgres.test.ts 1 failing

View test output

^{#3657b4672579e0fbc452a7abc30a02ae50eb2533}