Fix JS type mapping (#36632)

Author: guardrex

aspnetcore/client-side/dotnet-interop/index.md

@@ -158,7 +158,7 @@ The following table indicates the supported type mappings.
 | --- | --- | :---: | :---: | :---: | :---: |
 | `Boolean` | `Boolean` | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span class="visually-hidden">Not supported</span> |
 | `Byte` | `Number` | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> |
-| `Char` | `String` | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span class="visually-hidden">Not supported</span> |
+| `Char` | `Number` | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span class="visually-hidden">Not supported</span> |
 | `Int16` | `Number` | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span class="visually-hidden">Not supported</span> |
 | `Int32` | `Number` | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> |
 | `Int64` | `Number` | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span aria-hidden="true">✅</span><span class="visually-hidden">Supported</span> | <span class="visually-hidden">Not supported</span> | <span class="visually-hidden">Not supported</span> |