Add remarks to AssemblyLoadContext load methods documenting default context probing behavior

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Documents that LoadFromAssemblyPath and LoadFromStream methods on the default AssemblyLoadContext will use assemblies from the default probing path when the assembly name matches, rather than loading from the specified path/stream.

Changes

• Added remarks to LoadFromAssemblyPath(string) explaining default probing precedence
• Added remarks to LoadFromStream(Stream) and LoadFromStream(Stream, Stream) with same behavior note
• All remarks link to the managed assembly loading algorithm documentation

Example

// When called on the default context:
var defaultContext = AssemblyLoadContext.Default;

// If "MyAssembly" exists in the default probing path,
// that version loads instead of the one at the specified path
var asm = defaultContext.LoadFromAssemblyPath("/custom/path/MyAssembly.dll");

Related: dotnet/docs#51185, dotnet/runtime#122304

Original prompt

Add remarks to AssemblyLoadContext.LoadFromAssemblyPath and LoadFromStream to indicate that when operating on the default AssemblyLoadContext, if the assembly has a name matching one that is part of its default probing, that is used instead. Link to the docs on managed assembly default probing.

Related: dotnet/docs#51185, dotnet/runtime#122304

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Pull request overview

This PR adds documentation to clarify the behavior of LoadFromAssemblyPath and LoadFromStream methods when called on the default AssemblyLoadContext. The remarks explain that when the assembly name matches one in the default probing path, the assembly from the default probing path is loaded instead of the one from the specified path or stream.

Changes:

• Added remarks to LoadFromAssemblyPath(string) documenting default context probing precedence
• Added remarks to LoadFromStream(Stream) documenting the same behavior
• Added remarks to LoadFromStream(Stream, Stream) documenting the same behavior

Comments suppressed due to low confidence (1)

xml/System.Runtime.Loader/AssemblyLoadContext.xml:905

• The second LoadFromStream overload is missing a <related> element that should be added for consistency with the first overload and LoadFromAssemblyPath. Add the following line after the closing </remarks> tag and before the </Docs> tag: <related type="Article" href="/dotnet/core/dependency-loading/loading-managed">Managed assembly loading algorithm</related>

      </Docs>