pull up: move field initialization block if possible (IDEADEV-40576)

java/java-tests/testData/refactoring/pullUp/IfFieldMovedInitialization.java

@@ -0,0 +1,18 @@
+public class A {
+}
+
+class B extends A {
+    final String <caret>f;
+    final String foo;
+
+    B(String fi, String foo) {
+        this.foo = foo;
+        if (fi == foo) {
+            f = foo;
+        } else {
+            f = "";
+        }
+    }
+
+
+}