fixed PY-6889 Incorrect indent on pasting class method on module-level right after the class itself

python/testData/copyPaste/multiLine/IndentTopLevel.after.py

@@ -0,0 +1,6 @@
+def f():
+    a = 1
+    b = 2
+def f():
+    a = 1
+    b = 2

python/testData/copyPaste/multiLine/IndentTopLevel.dst.py

@@ -0,0 +1,4 @@
+def f():
+    a = 1
+    b = 2
+<caret>

python/testData/copyPaste/multiLine/IndentTopLevel.src.py

@@ -0,0 +1,4 @@
+<selection>def f():
+    a = 1
+    b = 2
+</selection>

python/testSrc/com/jetbrains/python/PyCopyPasteTest.java

@@ -179,6 +179,10 @@ public class PyCopyPasteTest extends PyTestCase {
     doTestSingleLine();
   }
 
+  public void testIndentTopLevel() {    //PY-6889
+    doTestMultiLine();
+  }
+
   private void doTest() {
     String name = getTestName(false);