Preserve code block when variable from lambda body conflicts with later declaration

Fixes IDEA-196540 TrivialFunctionalExpressionUsageInspection produces code with variable redefinitions

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/trivialFunctionalExpressionUsage/afterNameConflict.java

@@ -0,0 +1,10 @@
+// "Replace call with method body" "true"
+
+class Test {
+  void test() {
+      {
+          int a = 6;
+      }
+      int a =5;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/trivialFunctionalExpressionUsage/beforeNameConflict.java

@@ -0,0 +1,13 @@
+// "Replace call with method body" "true"
+
+class Test {
+  void test() {
+    new Runnable() {
+      @Override
+      public void run() {
+        int a =6;
+      }
+    }.r<caret>un();
+    int a =5;
+  }
+}