Update profiling documentation

[PureWeen]

Apple platform

No response

Framework version

net9.0-*

Affected platform version

.NET 8+

Description

The docs here are out of date
https://github.com/xamarin/xamarin-macios/wiki/Profiling

Steps to Reproduce

Try to follow the docs here: https://github.com/xamarin/xamarin-macios/wiki/Profiling

See struggle: https://teams.microsoft.com/l/message/19:ef8c7fc5e1d745df8c83452ee62287f0@thread.v2/1732132801687?context=%7B%22contextType%22%3A%22chat%22%7D

Did you find any workaround?

No response

Relevant log output

No response

[jonathanpeppers]

I think the main issue it mentions the Xamarin: Xamarin.iOS.framework/Versions/Current/bin/mlaunch

[rolfbjarne]

I've updated the document with a better way to find mlaunch.

[molesmoke]

Noting here from the dotnet diagnostics issue that the wiki article should mention/reference the required property for release builds:

https://learn.microsoft.com/en-us/dotnet/ios/building-apps/build-properties#enablediagnostics

<PropertyGroup>
  <EnableDiagnostics>true</EnableDiagnostics>
</PropertyGroup>