introduce field: use precalculated settings (IDEA-83180)

(cherry picked from commit 019be99b8e2b558e2014565a15dd29f0202b4653)

java/java-tests/testData/refactoring/introduceField/afterStaticFieldInInnerClass.java

@@ -0,0 +1,9 @@
+public class A {
+  private static final class Inner {
+      public final String string;
+
+      public Inner(Integer param) {
+          string = param.toString();
+     }
+  }
+}

java/java-tests/testData/refactoring/introduceField/beforeStaticFieldInInnerClass.java

@@ -0,0 +1,7 @@
+public class A {
+  private static final class Inner {
+     public Inner(Integer param) {
+        String s<caret>tr = param.toString();
+     }
+  }
+}