SimplifyForEachInspection: compilation fix added for non-final var

Adds another alternative to IDEA-177104

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/simplifyForEach/afterCompilationFixCount.java

@@ -0,0 +1,10 @@
+// "Avoid mutation using Stream API 'count()' operation" "true"
+
+import java.util.*;
+
+public class Main {
+  void test(List<String> list) {
+      int count = (int) list.stream().filter(s -> !s.isEmpty()).count();
+      System.out.println(count);
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/simplifyForEach/afterCompilationFixMax.java

@@ -0,0 +1,10 @@
+// "Avoid mutation using Stream API 'max()' operation" "true"
+
+import java.util.*;
+
+public class Main {
+  void test(List<String> list) {
+      String longest = list.stream().max(Comparator.comparingInt(String::length)).orElse(null);
+      System.out.println(longest);
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/simplifyForEach/beforeCompilationFixCount.java

@@ -0,0 +1,13 @@
+// "Avoid mutation using Stream API 'count()' operation" "true"
+
+import java.util.*;
+
+public class Main {
+  void test(List<String> list) {
+    int count = 0;
+    list.forEach(s -> {
+      if(!s.isEmpty()) c<caret>ount++;
+    });
+    System.out.println(count);
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/simplifyForEach/beforeCompilationFixMax.java

@@ -0,0 +1,13 @@
+// "Avoid mutation using Stream API 'max()' operation" "true"
+
+import java.util.*;
+
+public class Main {
+  void test(List<String> list) {
+    String longest = null;
+    list.forEach(s -> {
+      if(longest == null || longest.length() < s.length()) longe<caret>st = s;
+    });
+    System.out.println(longest);
+  }
+}