no need in fielddatafetcher, using property only

Author: yarinvak

src/main/java/graphql/annotations/processor/retrievers/fieldBuilders/field/FieldDataFetcherBuilder.java

@@ -80,7 +80,7 @@ private DataFetcher handleNullCase(DataFetcher actualDataFetcher) {
         }
 
         if (actualDataFetcher == null) {
-            actualDataFetcher = wrapExtension(new FieldDataFetcher(field.getName()), field);
+            actualDataFetcher = wrapExtension(new PropertyDataFetcher(field.getName()), field);
         }
         return actualDataFetcher;
     }

src/test/java/graphql/annotations/GraphQLObjectTest.java

@@ -244,7 +244,7 @@ public void fields() {
         assertEquals(fields.get(6).getName(), "publicTest");
 
         assertEquals(fields.get(5).getDataFetcher().getClass(), PropertyDataFetcher.class);
-        assertEquals(fields.get(6).getDataFetcher().getClass(), FieldDataFetcher.class);
+        assertEquals(fields.get(6).getDataFetcher().getClass(), PropertyDataFetcher.class);
 
         assertEquals(fields.get(7).getName(), "z_nonOptionalString");
         assertTrue(fields.get(7).getType() instanceof graphql.schema.GraphQLNonNull);