Add ClassExpression, FunctionExpression and ArrowFunction to check for cancellation token from classifier (#39557)

Fixes #35364

Author: sheetalkamat

src/services/classifier.ts

@@ -472,6 +472,9 @@ namespace ts {
             case SyntaxKind.ClassDeclaration:
             case SyntaxKind.InterfaceDeclaration:
             case SyntaxKind.FunctionDeclaration:
+            case SyntaxKind.ClassExpression:
+            case SyntaxKind.FunctionExpression:
+            case SyntaxKind.ArrowFunction:
                 cancellationToken.throwIfCancellationRequested();
         }
     }