Not working. Too many features and steps?

### 👓 What did you see?

I just tried the extension for the first time and it doesn't seem to work properly. When reloading the window, the first `.feature` files has syntax highlight but all steps are marked as undefined:


However, opening a second file doesn't:


The Cucumber Language Server output is:
```
[Info - 8:38:54 AM] Initializing connection from Visual Studio Code 1.73.1
[Info - 8:38:54 AM] Root uri : file:///Users/jgallaso/projects/3scale/porta
[Info - 8:38:54 AM] Current dir : /
[Info - 8:38:54 AM] Registering request handler for workspace/didChangeConfiguration failed.
[Info - 8:38:54 AM] Client does not support client/registerCapability. This is OK.
[Info - 8:38:54 AM] Cucumber Language Server 1.1.1 initialized
[Info - 8:38:54 AM] Scheduling reindexing in 3000 ms
[Info - 8:38:54 AM] Scheduling reindexing in 3000 ms
[Info - 8:38:54 AM] Reindexing file:///Users/jgallaso/projects/3scale/porta
[Info - 8:38:56 AM] * Found 280 feature file(s) in ["src/test/**/*.feature","features/**/*.feature","tests/**/*.feature","*specs*/**/.feature"]
[Info - 8:38:56 AM] * Found 8292 steps in those feature files
[Info - 8:38:57 AM] Reindexing file:///Users/jgallaso/projects/3scale/porta
```

I suspected it would simply take some time but I've been waiting for a while and nothing changes.

### ✅ What did you expect to see?

I expected it working normally.

### 📦 Which tool/library version are you using?

```
macOS 13.0.1 (with m1 chip)
Visual Studio Code 1.73.1
ruby 2.6.10p210 (2022-04-12 revision 67958) [arm64-darwin21]
cucumber 7.0.0
cucumber/vscode 1.5.1
```

### 🔬 How could we reproduce it?

In order to reproduce, I guess you'd need to clone our repo (https://github.com/3scale/porta.git) since it has the big amount of features and steps. I know, it sucks, but I don't have an easier way to reproduce this at the moment.

----

*This text was originally generated from a [template](https://docs.github.com/en/communities/using-templates-to-encourage-useful-issues-and-pull-requests/about-issue-and-pull-request-templates), then edited by hand. [You can modify the template here.](https://github.com/cucumber/.github/edit/main/.github/ISSUE_TEMPLATE/bug_report.md)*

Start by reproducing the problem in the linked 3scale/porta repository with the reported VS Code, Ruby, Cucumber, and extension versions. Read the Cucumber Language Server output around indexing the 280 feature files and 8292 steps; the issue is done when reloading and opening feature files consistently provides syntax highlighting and defined steps.

Written by the indexing model from the issue text.