introduce field: avoid dbl setup creation when no annotation present (IDEA-76926)

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

@@ -0,0 +1,13 @@
+import org.junit.*;
+public class T {
+    private int i;
+
+    @Test
+    public void test() {
+    }
+
+    @Before
+    public void setUp(){
+        i = 9;
+    }
+}

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

@@ -0,0 +1,9 @@
+import org.junit.*;
+public class T {
+    @Test
+    public void test() {
+        int <caret>i = 9;
+    }
+
+    public void setUp(){}
+}