Rearranger: commit document before processing (IDEA-144637)

java/java-tests/testData/actions/reformatFileInEditor/reformatRearrange_NotBreaksCode_WhenCaretOnEmptyLine_after.java

@@ -0,0 +1,7 @@
+public class TestClass {
+    public static void main() {
+    }
+  
+    static class InnerClass {
+    }
+}

java/java-tests/testData/actions/reformatFileInEditor/reformatRearrange_NotBreaksCode_WhenCaretOnEmptyLine_before.java

@@ -0,0 +1,8 @@
+public class TestClass {
+  static class InnerClass {
+  }
+  <caret>
+
+  public static void main() {
+  }
+}