`asdict` fails with frozen dataclass keys, using raw dict form

GitHub fields:

assignee = None
closed_at = None
created_at = <Date 2021-02-06.05:46:54.621>
labels = ['type-bug', 'library', '3.9', '3.10']
title = '`asdict` fails with frozen dataclass keys, using raw dict form'
updated_at = <Date 2022-03-21.23:17:26.040>
user = 'https://github.com/qdbp'

bugs.python.org fields:

activity = <Date 2022-03-21.23:17:26.040>
actor = 'GalaxySnail'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2021-02-06.05:46:54.621>
creator = 'enaumov'
dependencies = []
files = []
hgrepos = []
issue_num = 43141
keywords = []
message_count = 2.0
messages = ['386545', '386880']
nosy_count = 4.0
nosy_names = ['terry.reedy', 'eric.smith', 'enaumov', 'GalaxySnail']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue43141'
versions = ['Python 3.9', 'Python 3.10']