Finish IDLE Query dialog appearance and behavior.

GitHub fields:

assignee = 'https://github.com/terryjreedy'
closed_at = None
created_at = <Date 2016-07-26.06:02:46.721>
labels = ['expert-IDLE', 'type-bug', '3.10']
title = 'Finish IDLE Query dialog appearance and behavior.'
updated_at = <Date 2020-06-08.00:56:20.579>
user = 'https://github.com/serhiy-storchaka'

bugs.python.org fields:

activity = <Date 2020-06-08.00:56:20.579>
actor = 'terry.reedy'
assignee = 'terry.reedy'
closed = False
closed_date = None
closer = None
components = ['IDLE']
creation = <Date 2016-07-26.06:02:46.721>
creator = 'serhiy.storchaka'
dependencies = []
files = ['43891', '43940', '43966', '43998']
hgrepos = []
issue_num = 27621
keywords = ['patch']
message_count = 25.0
messages = ['271326', '271341', '271342', '271344', '271358', '271360', '271464', '271481', '271482', '271652', '271663', '271753', '271756', '271757', '271761', '271789', '271870', '271930', '271937', '272073', '272220', '272221', '272341', '272342', '297337']
nosy_count = 5.0
nosy_names = ['terry.reedy', 'steven.daprano', 'markroseman', 'python-dev', 'serhiy.storchaka']
pr_nums = []
priority = 'normal'
resolution = None
stage = 'test needed'
status = 'open'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue27621'
versions = ['Python 3.10']