Isolated process HttpTriggers routes with UrlEncoded values fail

in c# v4 isolated net8 lts

If i have a route set

Route = /{version}/{culture}/foo/{origin}

and the origin is https://localhost:3000 and encoded to https%3a%2f%2flocalhost%3a3000

this half works locally, as in the function hits the endpoint however the %3a get decoded

however if you upload it to a live azure function it fails the hit the endpoint, although double encoding does work

[stack overflow showing issue](https://stackoverflow.com/questions/78648326/azure-functions-not-accepting-an-url-encoded-value-as-a-query-parameter/78652392?noredirect=1#comment138669550_78652392)