Prepare Jason for mobile platforms support (#183, #182)

- move web-specific external API's to api::wasm module
- move web-specific functionality to platform::wasm module

Additionally:
- upgrade Firefox to 86.0 version for E2E tests

.clippy.toml

@@ -10,10 +10,12 @@ doc-valid-idents = [
     "iOS", "macOS", "TeX", "LaTeX", "BibTeX", "BibLaTeX", "MinGW",
     "BigInt64Array", "BigUint64Array",
     "ConstrainDOMString", "ConstrainULong",
+    "DisplayMediaStreamConstraints",
     "DOMHighResTimeStamp",
     "getDisplayMedia", "getUserMedia", "gRPC",
-    "MediaDeviceKind", "MediaDeviceInfo",
-    "MediaStream", "MediaStreamConstraints", "MediaStreamTrack",
+    "MediaDevices", "MediaDeviceKind", "MediaDeviceInfo",
+    "MediaStream", "MediaStreamConstraints",
+    "MediaStreamTrack", "MediaStreamTrackState",
     "MediaTrackConstraints",
     "MessageEvent",
     "RTCAudioSenderStats", "RTCSenderAudioTrackAttachmentStats",
@@ -30,5 +32,6 @@ doc-valid-idents = [
     "RTCStats", "RTCStatsReport",
     "RTCTrackEvent",
     "RTCVideoSenderStats",
+    "VideoFacingModeEnum",
     "WebDriver", "WebRTC", "WebSocket",
 ]