inference: simplify bounds check; ensure fresh variables are treated as same, important e.g. in case of diamond operator when inferred types are new each time they are computed (IDEA-131066)

(cherry picked from commit 517c299e336e38bc20d3478191279be2176fbd9b)

java/java-tests/testSrc/com/intellij/codeInsight/daemon/lambda/GenericsHighlighting8Test.java

@@ -766,6 +766,10 @@ public class GenericsHighlighting8Test extends LightDaemonAnalyzerTestCase {
     doTest(true);
   }
 
+  public void testInferredParameterInBoundsInRecursiveGenerics() {
+    doTest(false);
+  }
+
   private void doTest() {
     doTest(false);
   }