Don't inject web-renderer for Attach

Always show web device while isRunningLocally is incorrect for Theia

Add temporary workaround for testing proxy cookie setup

Fix platform check for --web-renderer

Fix url handling tests

Prepare v3.17.1

Prepare v3.17.0

Add temporary workaround for testing proxy cookie setup

Correctly scope dart.hotReloadProgress to Window

Switch from "dart pub run test" to "dart run test:test" for >= v2.12

Fixes Dart-Code#2950.