Re: [mediacapture-record] Deprecate MediaRecorder.isTypeSupported() by limiting it to vp8, vp9, h264 aka avc1, av1 aka av01, and opus (#226)

FWIW, Chrome (on Windows) produces the following output with the same script:
```
Supported mimeTypes (59) = [
  "audio/webm",
  "audio/webm;codecs=opus",
  "video/webm",
  "video/webm;codecs=vp8",
  "video/webm;codecs=vp8,opus",
  "video/webm;codecs=vp9",
  "video/webm;codecs=vp9,opus",
  "video/webm;codecs=av1",
  "video/webm;codecs=av1,opus",
  "video/webm;codecs=av01",
  "video/webm;codecs=av01,opus",
  "video/webm;codecs=av01.0.19M.08",
  "video/webm;codecs=av01.0.19M.08,opus",
  "video/webm;codecs=h264",
  "video/webm;codecs=h264,opus",
  "video/webm;codecs=avc1",
  "video/webm;codecs=avc1,opus",
  "video/webm;codecs=avc1.64003E",
  "video/webm;codecs=avc1.64003E,opus",
  "video/webm;codecs=avc3.64003E",
  "video/webm;codecs=avc3.64003E,opus",
  "video/mp4",
  "video/mp4;codecs=vp9",
  "video/mp4;codecs=vp9,opus",
  "video/mp4;codecs=vp9,mp4a.40.2",
  "video/mp4;codecs=av01",
  "video/mp4;codecs=av01,opus",
  "video/mp4;codecs=av01,mp4a.40.2",
  "video/mp4;codecs=av01.0.19M.08",
  "video/mp4;codecs=av01.0.19M.08,opus",
  "video/mp4;codecs=av01.0.19M.08,mp4a.40.2",
  "video/mp4;codecs=avc1",
  "video/mp4;codecs=avc1,opus",
  "video/mp4;codecs=avc1,mp4a.40.2",
  "video/mp4;codecs=avc1.64003E",
  "video/mp4;codecs=avc1.64003E,opus",
  "video/mp4;codecs=avc1.64003E,mp4a.40.2",
  "video/mp4;codecs=avc3.64003E",
  "video/mp4;codecs=avc3.64003E,opus",
  "video/mp4;codecs=avc3.64003E,mp4a.40.2",
  "video/x-matroska",
  "video/x-matroska;codecs=vp8",
  "video/x-matroska;codecs=vp8,opus",
  "video/x-matroska;codecs=vp9",
  "video/x-matroska;codecs=vp9,opus",
  "video/x-matroska;codecs=av1",
  "video/x-matroska;codecs=av1,opus",
  "video/x-matroska;codecs=av01",
  "video/x-matroska;codecs=av01,opus",
  "video/x-matroska;codecs=av01.0.19M.08",
  "video/x-matroska;codecs=av01.0.19M.08,opus",
  "video/x-matroska;codecs=h264",
  "video/x-matroska;codecs=h264,opus",
  "video/x-matroska;codecs=avc1",
  "video/x-matroska;codecs=avc1,opus",
  "video/x-matroska;codecs=avc1.64003E",
  "video/x-matroska;codecs=avc1.64003E,opus",
  "video/x-matroska;codecs=avc3.64003E",
  "video/x-matroska;codecs=avc3.64003E,opus"
]
```

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Received on Thursday, 20 March 2025 14:54:30 UTC