Reduce span of DisableAssemblyLoad-lock

ILSpy/TreeNodes/Analyzer/ScopedWhereUsedAnalyzer.cs

@@ -250,7 +250,6 @@ namespace ICSharpCode.ILSpy.TreeNodes.Analyzer
 
 		private IEnumerable<AssemblyDefinition> GetReferencingAssemblies(AssemblyDefinition asm, CancellationToken ct)
 		{
-			using (LoadedAssembly.DisableAssemblyLoad()) {
 			yield return asm;
 
 			IEnumerable<LoadedAssembly> assemblies = MainWindow.Instance.CurrentAssemblyList.GetAssemblies().Where(assy => assy.GetAssemblyDefinitionOrNull() != null);
@@ -263,16 +262,17 @@ namespace ICSharpCode.ILSpy.TreeNodes.Analyzer
 					continue;
 				var resolver = assembly.GetAssemblyResolver();
 				foreach (var reference in module.AssemblyReferences) {
+					using (LoadedAssembly.DisableAssemblyLoad()) {
 						if (resolver.Resolve(reference) == asm) {
 							found = true;
 							break;
 						}
 					}
+				}
 				if (found && AssemblyReferencesScopeType(module.Assembly))
 					yield return module.Assembly;
 			}
 		}
-		}
 
 		private IEnumerable<AssemblyDefinition> GetAssemblyAndAnyFriends(AssemblyDefinition asm, CancellationToken ct)
 		{