remove duplication in page cration

Author: shemogumbe

src/msgraph_core/tasks/page_iterator.py

@@ -131,6 +131,13 @@ async def iterate(self, callback: Callable) -> None:
             self.current_page = next_page
             self.pause_index = 0
 
+    @staticmethod
+    def create_page_result(value: Any, next_link: str) -> PageResult:
+        page: PageResult[Any] = PageResult()
+        page.odata_next_link = next_link
+        page.set_value(value)
+        return page
+
     async def next(self) -> Optional[PageResult]:
         """
         Fetches the next page of items.
@@ -140,10 +147,7 @@ async def next(self) -> Optional[PageResult]:
         if self.current_page is not None and not self.current_page.odata_next_link:
             return None
         response = self.convert_to_page(await self.fetch_next_page())
-        page: PageResult[Any] = PageResult()
-        page.odata_next_link = response.odata_next_link
-        page.set_value(response.get('value', []) if isinstance(response, dict) else [])
-        return page
+        return PageIterator.create_page_result(response.value, response.odata_next_link)
 
     @staticmethod
     def convert_to_page(response: Union[T, list, object]) -> PageResult:
@@ -174,11 +178,7 @@ def convert_to_page(response: Union[T, list, object]) -> PageResult:
         next_link = parsable_page.get('odata_next_link', '') if isinstance(
             parsable_page, dict
         ) else getattr(parsable_page, 'odata_next_link', '')
-
-        page: PageResult[Any] = PageResult()
-        page.odata_next_link = next_link
-        page.set_value(value)
-        return page
+        return PageIterator.create_page_result(value, next_link)
 
     async def fetch_next_page(self) -> dict:
         """