fix: await-async-queries has false positive with optional chaining

Closes testing-library#882

Author: StyleShit

lib/node-utils/index.ts

@@ -278,6 +278,10 @@ function getRootExpression(
 			return parent.expressions[parent.expressions.length - 1] === expression
 				? getRootExpression(parent)
 				: expression;
+
+		case AST_NODE_TYPES.ChainExpression:
+			return getRootExpression(parent);
+
 		default:
 			return expression;
 	}

tests/lib/rules/await-async-queries.test.ts

@@ -93,6 +93,9 @@ ruleTester.run(RULE_NAME, rule, {
 		// async screen queries declaration are valid
 		...createTestCase((query) => `await screen.${query}('foo')`),
 
+		// async queries with optional chaining are valid
+		...createTestCase((query) => `await screen?.${query}('foo')`),
+
 		// async @marko/testing-library screen queries declaration are valid
 		...createTestCase((query) => `await screen.${query}('foo')`, {
 			testingFramework: '@marko/testing-library',