IDEA-160988 Add inspection to merge adjacent Stream API calls

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/inlineStreamMap/afterMapMap.java

@@ -0,0 +1,8 @@
+// "Inline 'map' body into the next 'map' call" "true"
+import java.util.List;
+
+public class Main {
+  public static void test(List<CharSequence> list) {
+    list.stream().map(cs -> cs.subSequence(1, 5).length()).forEach(System.out::println);
+  }
+}