accept incomplete code as reference at caret (IDEA-107732)

java/java-tests/testData/refactoring/renameInplace/Incomplete.java

@@ -0,0 +1,3 @@
+class Klaz {
+  final static Class K = Klaz<caret>
+}

java/java-tests/testData/refactoring/renameInplace/Incomplete_after.java

@@ -0,0 +1,3 @@
+class Klazz {
+  final static Class K = Klazz<caret>
+}