[BUG] web, OpenAPI generated from TypeSpec is changed

[weidongxu-microsoft]

API Spec link

https://github.com/Azure/azure-rest-api-specs/blob/main/specification/web/resource-manager/Microsoft.Web/AppService/stable/2025-03-01/openapi.json

API Spec version

2025-03-01 and 2025-05-01

Describe the bug

1. Many schema becomes xml, e.g. https://github.com/Azure/azure-rest-api-specs/blob/main/specification/web/resource-manager/Microsoft.Web/AppService/stable/2025-03-01/openapi.json#L41565-L41567
2. route casing changed from /MSDeploy to /mSDeploy https://github.com/Azure/azure-rest-api-specs/blob/main/specification/web/resource-manager/Microsoft.Web/AppService/stable/2025-03-01/openapi.json#L12661
3. MSDeployProperties. In m4, the type of this properties property is actually MSDeployCore + addOnPackages property (and created MSDeployProperties for it). We should do same in TypeSpec.

Expected behavior

Route and schema should not change in such way, upon TypeSpec migration.

Actual behavior

They changed.

For (3), can service confirm the schema of MSDeploy?

Reproduction Steps

Read the OpenAPI

Environment

No response