GTS file in V2 addon uses Typescript instead of Glint LSP

[SanderKnauff]

Description

When opening a GTS file in an V2 addon, the used LSP is reported as Typescript instead of Glint Typescript LSP.

Steps to Reproduce

1. Clone https://github.com/universal-ember/ember-primitives
2. Open ./ember-primitives/src/components/avatar.gts

Expected behavior:

The used Typescript service should be Glint Typescript LSP

Actual behavior:

The normal Typescript service is used.

Reproduces how often: [What percentage of the time does it reproduce?]

This can always be reproduced.

Versions

IntelliJ IDEA 2023.3.2 RC (Ultimate Edition)
Build #IU-233.13135.65, built on December 14, 2023

Using

Ember Experimental.js 2023.3.0

Additional Information

Adding "keywords": ["ember-addon"] to the package.json of the repository root will resolve the problem. This keyword is usually only present in the inner addon package.json.