Fixes assembly resolution for ignored assemblies.

Updates assembly resolution to correctly locate ignored assemblies
by using the executing assembly's location, resolving issues where
these assemblies could not be found during post-processing.

Author: MaxtorCoder

FishNet.CodeGenerating/ILCore/PostProcessorAssemblyResolver.cs

@@ -3,6 +3,7 @@
 using System.Collections.Generic;
 using System.IO;
 using System.Linq;
+using System.Reflection;
 using System.Threading;
 using Unity.CompilationPipeline.Common.ILPostProcessing;
 
@@ -16,7 +17,7 @@ public class PostProcessorAssemblyResolver : BaseAssemblyResolver
         [
             "FishNet.Runtime.dll"
         ];
-        
+
         private readonly string[] m_AssemblyReferences;
         private readonly Dictionary<string, AssemblyDefinition> m_AssemblyCache = new Dictionary<string, AssemblyDefinition>();
         private readonly ICompiledAssembly m_CompiledAssembly;
@@ -34,7 +35,7 @@ public override AssemblyDefinition Resolve(AssemblyNameReference name, ReaderPar
         {
             if (name.Name == "mscorlib" || name.Name == "netstandard")
                 return base.Resolve(name, parameters);
-            
+
             lock (m_AssemblyCache)
             {
                 if (name.Name == m_CompiledAssembly.Name)
@@ -50,12 +51,12 @@ public override AssemblyDefinition Resolve(AssemblyNameReference name, ReaderPar
                     fileName = ResolveAssemblyPath($"{name.Name}.dll");
                     pathResolved = true;
                 }
-                
+
                 if (fileName == null)
                 {
                     return base.Resolve(name, parameters);
                 }
-                
+
                 // Try to resolve absolute file path to assembly
                 if (!pathResolved)
                     fileName = ResolveAssemblyPath(fileName);
@@ -89,7 +90,10 @@ private string ResolveAssemblyPath(string assemblyPath)
                 return assemblyPath;
 
             if (IgnoreResolveAssemblies.Contains(assemblyPath))
-                return assemblyPath;
+            {
+                var currentDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
+                return Path.Combine(currentDirectory!, assemblyPath);
+            }
 
             foreach (var searchPath in AssemblySearchPaths)
             {
@@ -179,4 +183,4 @@ public void AddAssemblyDefinitionBeingOperatedOn(AssemblyDefinition assemblyDefi
             m_SelfAssembly = assemblyDefinition;
         }
     }
-}
+}