new inference: substitute resolved vars which e.g. did not participate in initial session (IDEA-123248)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/newMethodRef/IDEA123248.java

@@ -0,0 +1,11 @@
+import java.util.HashMap;
+import java.util.Map;
+import java.util.stream.Stream;
+
+class App {
+
+  void foo(Stream<Integer> boxed) {
+    final Map<Integer, Integer> count = boxed.collect(HashMap::new, null, HashMap::putAll);
+  }
+
+}