🐛 Load from domain BaseDirectory

This cover cases where the executable is run with dotnet host.

src/Yarhl.IntegrationTests/AssemblyLoadContextExtensionsTests.cs

@@ -71,7 +71,7 @@ public void LoadingInvalidAssemblyReturnsNull()
     [Test]
     public void LoadingIgnoreSystemLibraries()
     {
-        IEnumerable<Assembly> loaded = TypeLocator.Instance.LoadContext.TryLoadFromExecutingDirectory();
+        IEnumerable<Assembly> loaded = TypeLocator.Instance.LoadContext.TryLoadFromBaseLoadDirectory();
 
         Assert.That(loaded.Select(a => a.GetName().Name), Does.Not.Contain("testhost"));
     }
@@ -80,7 +80,7 @@ public void LoadingIgnoreSystemLibraries()
     public void LoadingExecutingDirGetsYarhl()
     {
         // We cannot use ConverterLocator as it will load Yarhl as it uses some of its types.
-        IEnumerable<Assembly> loaded = TypeLocator.Instance.LoadContext.TryLoadFromExecutingDirectory();
+        IEnumerable<Assembly> loaded = TypeLocator.Instance.LoadContext.TryLoadFromBaseLoadDirectory();
 
         Assert.That(loaded.Select(a => a.GetName().Name), Does.Contain("Yarhl"));
 

src/Yarhl.Plugins/AssemblyLoadContextExtensions.cs

@@ -88,7 +88,8 @@ public static IEnumerable<Assembly> TryLoadFromDirectory(this AssemblyLoadContex
     }
 
     /// <summary>
-    /// Try to load every .NET assembly in the directory of the current process.
+    /// Try to load every .NET assembly in the current domain base directory.
+    /// This is usually the process path or the entry assembly path.
     /// </summary>
     /// <param name="loader">The load context to use to load.</param>
     /// <returns>A collection of assemblies that could be loaded.</returns>
@@ -97,9 +98,9 @@ public static IEnumerable<Assembly> TryLoadFromDirectory(this AssemblyLoadContex
     /// a security risk by running arbitrary code.
     /// If an assembly fails to load it will be silently skipped.
     /// </remarks>
-    public static IEnumerable<Assembly> TryLoadFromExecutingDirectory(this AssemblyLoadContext loader)
+    public static IEnumerable<Assembly> TryLoadFromBaseLoadDirectory(this AssemblyLoadContext loader)
     {
-        string programDir = Path.GetDirectoryName(Environment.ProcessPath) ??
+        string programDir = Path.GetDirectoryName(AppDomain.CurrentDomain.BaseDirectory) ??
             throw new ArgumentException("Cannot determine process directory");
 
         string[] libraryAssemblies = Directory.GetFiles(programDir, "*.dll");