Auto merge of #23637 - gterzian:continue-message-port, r=jdm

Continue message port

<!-- Please describe your changes on the following line: -->
Fixes #7457.
Fixes #12715.
Fixes #12717.
Fixes #16095.
Fixes #18969.

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- [ ] `./mach test-tidy` does not report any errors
- [ ] These changes fix #___ (GitHub issue number if applicable)

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- [ ] There are tests for these changes OR
- [ ] These changes do not require tests because ___

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tests/wpt/mozilla/meta/MANIFEST.json

@@ -18966,15 +18966,15 @@
    "testharness"
   ],
   "mozilla/interfaces.html": [
-   "1207eaa2d8ff55e0c2216086b5a2c90a41ff78cf",
+   "3578a6e01cc3bb6daf8b4942d672ecb7da1ff6b5",
    "testharness"
   ],
   "mozilla/interfaces.js": [
-   "f1854a3ae00493554006ad2c483489f4be8450a6",
+   "786f6e12515ff71bc83f34e4ffa32e7e38b1cd26",
    "support"
   ],
   "mozilla/interfaces.worker.js": [
-   "802fe64ebfc86480f3c5adc80718f550d09d330b",
+   "3f77783a6cc31e7803dd61873ba17c92ce12eccc",
    "testharness"
   ],
   "mozilla/invalid-this.html": [