anonymous -> lambda: allow field shadowing when suggesting new local names (IDEA-157288)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/anonymous2lambda/afterFieldShadowing.java

@@ -0,0 +1,10 @@
+// "Replace with lambda" "true"
+class Test {
+  Integer s;
+  private void m() {
+    Runnable r = () -> {
+      System.out.println(s);
+      Integer s = Test.this.s;
+    };
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/anonymous2lambda/beforeFieldShadowing.java

@@ -0,0 +1,13 @@
+// "Replace with lambda" "true"
+class Test {
+  Integer s;
+  private void m() {
+    Runnable r = new Runna<caret>ble() {
+      @Override
+      public void run() {
+        System.out.println(s);
+        Integer s = Test.this.s;
+      }
+    };
+  }
+}