[java] avoid copying nullability type annotations (IDEA-132058)

java/java-tests/testData/codeInsight/generateConstructor/afterTypeAnnotatedField.java

@@ -0,0 +1,9 @@
+import foo.TestNotNull;
+
+class C {
+    private @TestNotNull String s;
+
+    public C(@TestNotNull String s) {
+        this.s = s;
+    }
+}

java/java-tests/testData/codeInsight/generateConstructor/beforeTypeAnnotatedField.java

@@ -0,0 +1,7 @@
+import foo.TestNotNull;
+
+class C {
+    private @TestNotNull String s;
+
+    <caret>
+}