docs(experimental-apis): remove requestBody from null-returns list, add to transformations table

Agent-Logs-Url: https://github.com/microsoft/OpenAPI.NET/sessions/f2c0015f-dd1e-488a-a10f-1eaecad56cbe

Co-authored-by: baywet <7905502+baywet@users.noreply.github.com>

Author: Copilot

docs/experimental-apis.md

@@ -116,14 +116,16 @@ foreach (var error in validator.Errors)
 | `#/components/securitySchemes/{name}/**` | `#/securityDefinitions/{name}/**` |
 | `.../responses/{code}/content/{mediaType}/schema/**` | `.../responses/{code}/schema/**` |
 | `.../headers/{name}/schema/**` | `.../headers/{name}/**` |
+| `.../{method}/requestBody` | `.../{method}/parameters/0` |
+| `.../{method}/requestBody/content/{mediaType}/schema/**` | `.../{method}/parameters/0/schema/**` |
+| `.../{method}/requestBody/{prop}` | `.../{method}/parameters/0/{prop}` |
 
 ### Paths With No v2 Equivalent (returns `null`)
 
 - `#/servers/**`
 - `#/webhooks/**`
 - `.../callbacks/**`
 - `.../links/**`
-- `.../requestBody/**`
 - `.../content/{mediaType}/encoding/**`
 - `#/components/examples/**`, `#/components/headers/**`, `#/components/pathItems/**`,
   `#/components/links/**`, `#/components/callbacks/**`, `#/components/requestBodies/**`,