2abe69c60 Roll Dart SDK from 83365979ea85 to e41a6008746d (1 revision) (flutter/engine#21224) (#65987)

Turn the opt-in default for ThemeData.useTextSelectionTheme to true so that everything uses the new TextSelectionTheme by default.

Removes the template version from the Windows template; the API and
tooling boundary will now be considered stable, so there will no longer
be frequent breaking changes.

Also updates the link for adding desktop support to a project for all
three platforms to reflect the current location.

Fixes https://github.com/flutter/flutter/issues/52748

The engine now has an explicit API for system font changes, rather than
expecting the WM_FONTCHANGE message to be forwarded to the Flutter view.

Adds a VERSIONINFO to Runner.rc in the Windows app template, populated
from the project creation metadata.

Currently the version itself is hard-coded, but it is future-proofed to
allow plumbing the actual version through at build time via preprocessor
defines.

update_dart_sdk.ps1: Ensure Start-BitsTransfer always throws an exception in case of errors (#65929)

[flutter_tools] use flutter tool handler for dwds resources and precache tool pub dependencies (#65814)

If the tool is downloaded from a precompiled snapshot, or if the backing source files in the pub cache are deleted, the dwds debugging functionality will break as the client.js file cannot be located. Instead use the PackageConfig to verify that package location, downloading if it is missing.

Override the dwds middleware to avoid Isolate.resolvePackageUri

Fixes #53644
Fixes #65475

Deprecate VelocityTracker default constructor and added VelocityTracker.withKind constructor (#66043)

We've gotten feedback that the VelocityTracker change was disruptive, though it did not break any of the flutter framework or customer tests. In order to make the change non-breaking, PointerDeviceKind parameter can be made optional.

Nevertheless, this parameter should be provided so that the existing touch handlers can use more accurate gestures on mouse/stylus inputs, so we can encourage this by deprecating the default constructor and pointing users towards the VelocityTracker.withKind constructor that takes a non-optional parameter

PR #65873 enabled DDS for non-web Flutter applications. This change
surfaced a bug where DDS would not send ServiceRegistered events to VM
service clients when they subscribed to the Service stream. This would
cause tools and tests that rely on these events (e.g., hot reload in
VSCode) to fail.

Fixes #66038.

This reverts commit cb92ffc7.

This reverts commit 10a66b19.

This reverts commit fd0554ba.

If a new service worker is installed, automatically update this behind the scenes. Immediately after a page refresh, the new worker and cache will be available, though the main.dart.js and others will be available sooner due to the cache busting URLS

This reverts commit 66b01c1f.

* Add DDS ipv6 support

* Use --dds-port for DDS instead of hijacking --host-vmservice-port

Fix a bug in the layout of some textfields with constrained height and visual density.