vs-bicep sanity testing: There is no "Bicep" entry under "Text Editor" setting

**OS Version/SKU:** Win11 24H2/Enterprise
**VS Version/SKU:** 17.13.0 Preview 3.0 [35619.82.main]
**Bicep Build:** [15853](https://github.com/Azure/bicep/actions/runs/12423467105)

**Repro Steps:**

1. Lunch VS.
2. Select "Tools -> Options"
3. Check whether there is a "Bicep" entry under "Text Editor" setting.

**Expect:**
There is a "Bicep" entry under "Text Editor" setting.

**Actual:**
There is no "Bicep" entry under "Text Editor" setting.

**More Info:**
1. This issue doesn't reproduce on [17.13.0 Preview 2.0 [35520.160.main]](https://vsdrop.corp.microsoft.com/file/v1/Products/DevDiv/VS/0f8050b9f2b02aaf70c35765d693ea5494db73ca/6320f9b9-d5d1-c0e7-b0b2-4dff9ca62035;x86ret/enu/VisualStudio.17.int.main.Bootstrappers.Enterprise/vs_Enterprise.exe) with released Bicep Extension or the latest main branch bicep build.
2. Clicking the 'General' button reveals the 'Bicep' settings.

Reproduce the issue in Visual Studio 17.13.0 Preview 3.0 by opening Tools > Options and checking Text Editor, then compare the behavior with Preview 2.0 and the General button path described in the report. Done means a Bicep entry is visible directly under Text Editor and its settings remain accessible.

Written by the indexing model from the issue text.