[Bug]: AllowReserved is false if we add @path in path param for uri template managed route

[MaryGao]

Describe the bug

We met this issue in KeyVault spec and we try to enable the allowReserved as true.

Say we have below two cases and only the first one has AllowReserved as true but the second one would be not, is this by design or a bug?

playground

import "@typespec/http";
using TypeSpec.Http;

// case 1: with "x-ms-skip-url-encoding": true
@route("/{+scope}/foo1")
op foo1(scope: string): void;

// case 2: wihtout "x-ms-skip-url-encoding": true
@route("/{+scope}/foo2")
op foo2(@path scope: string): void;

/cc @maorleger

Reproduction

NA

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