added to_numpy() call

Author: arthurlw

pandas/core/arrays/arrow/array.py

@@ -1489,7 +1489,7 @@ def map(self, mapper, na_action: Literal["ignore"] | None = None):
             datelike = self._maybe_convert_datelike_array()
             temp = Series(datelike, dtype=datelike.dtype)
             mapped = temp.map(mapper, na_action=na_action)
-            return mapped._values
+            return mapped.to_numpy()
 
         if is_numeric_dtype(self.dtype):
             return map_array(self.to_numpy(), mapper, na_action=na_action)