lambda inference: conditional expressions in returns (IDEA-174301)

skip conditionals and parenthesis during find top expression

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newLambda/ConditionalExpressionInLambdaReturns.java

@@ -0,0 +1,20 @@
+
+import java.util.function.Function;
+
+interface Container<T> {
+  static <Q> Function<Q, Container<Q>> typeTester(Container<Q> c, final Container<Q> one) {
+    return funcWithString(input -> c.match(aa -> (true ? (zero()) : one)));
+  }
+
+  static <S> Function<S, Container<S>> funcWithString(Function<S, Container<S>> f) {
+    return null;
+  }
+
+  default <R> R match(Function<T, R> f) {
+    return null;
+  }
+
+  static <T> Container<T> zero() {
+    return null;
+  }
+}