Gutter icons for running individual tests do not show until after tests have run once

[MetRonnie]

Describe the bug

The gutter action icons do not show when you open VSCode.

You have to run the tests from the sidebar before the gutter icons show up. (Clicking "refresh tests" is not sufficient)

Also, clicking the chevron in the tests tree for any file does not show the tests in the file until after running the tests from the sidebar.

Reproduction

1. Clone https://github.com/cylc/cylc-ui
2. yarn install

Output

Before clicking run tests in the sidebar:

[INFO 12:22:55 PM] [v0.10.3] Vitest extension is activated because Vitest is installed or there is a Vite/Vitest config file in the workspace.
[INFO 12:22:55 PM] [API] Running Vitest: v1.6.0 (vite.config.js)
[INFO 12:22:55 PM] [API] Starting Vitest process with Node.js: C:\Program Files\nodejs\node.EXE
[INFO 12:22:57 PM] [API] Vitest process 18872 created
[INFO 12:22:58 PM] [API] Collecting tests: tests/unit/components/cylc/common/filter.spec.js

After clicking run tests in the sidebar:

[INFO 12:23:42 PM] [API] Collecting tests: tests/unit/views/table.vue.spec.js, tests/unit/utils/aotf.spec.js, tests/unit/utils/graph-utils.spec.js, tests/unit/utils/index.spec.js, tests/unit/services/user.service.spec.js
[INFO 12:23:45 PM] Running 1 file(s): tests/unit/components/cylc/common/filter.spec.js

Version

0.10.3

Validations

• Check that you are using the latest version of the extension
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Check that this is a concrete bug. For Q&A open a GitHub Discussion or join our Discord Chat Server.
• The provided reproduction is a minimal reproducible example of the bug.

[sheremet-va]

Can confirm that this only happens on Windows.