"Run All Tests" passes all individual suite names for all projects when only some projects have exclusions

[dmrickey]

Describe the bug
On windows, test directories with too many test files output is just The command line is too long // Exited (1)

To Reproduce

1. Be on windows
2. have a directory with lots of tests
3. the tests won't be run

Expected behavior
Should pass a single folder and not each individual test file

Screenshots

I've got 34 lines here with roughly 125 characters each.

Please complete the following information:

• Operating System and version: Win 11 Business 22621.1265
• VS Code version: 1.78.2
• Dart extension version: v3.64.0
• Dart/Flutter SDK version: 2.19.6
• Target device (if the issue relates to Flutter debugging): simply running tests on windows

[DanTup]

This happens when we're not running "everything" (such as if there are some exclusions that prevent us just doing flutter run test test).

Unfortunately, our check for whether we're running everything is for the whole run, and not per-project:

Dart-Code/src/extension/test/vs_test_controller.ts

Line 71 in f854d99

const isRunningAll = !request.include?.length && !request.exclude?.length;

This means if you exclude a test from ProjectA, then ProjectB will also be run by including all of the filenames.

At a minimum, we should attempt to group the exclusions into their projects, so we can still run "all" for the projects without exclusions.

Additionally:

• We should use relative paths if possible, because these are currently absolute and exceeding the command line limit faster earlier necessary
• Consider splitting up large runs into multiple debug sessions if we know they'll exceed the limit

[DanTup]

Note to self: ping @dmrickey on Discord when a fix is available as a pre-release extension.

[DanTup]

@dmrickey I pinged you on Discord, but in case you miss it, this is available in the v3.67.20230619 pre-release I just pushed. Please let me know if it doesn't/doesn't resolve the issue.