scantext: what details should be shown in license_detail_dropdown

Currently every match has the possible details that can be shown.

```python
[{'end_line': 3,
'is_license_intro': False,
'is_license_notice': False,
'is_license_reference': True,
'is_license_tag': False,
'is_license_text': False,
'license_expression': 'apache-2.0 OR mit',
'licenses': [{'category': 'Permissive',
'homepage_url': 'http://www.apache.org/licenses/',
'is_exception': False,
'is_unknown': False,
'key': 'apache-2.0',
'name': 'Apache License 2.0',
'owner': 'Apache Software Foundation',
'reference_url': 'https://scancode-licensedb.aboutcode.org/apache-2.0',
'scancode_data_url': 'https://github.com/nexB/scancode-toolkit/tree/develop/src/licensedcode/data/apache-2.0.yml',
'scancode_text_url': 'https://github.com/nexB/scancode-toolkit/tree/develop/src/licensedcode/data/apache-2.0.LICENSE',
'short_name': 'Apache 2.0',
'spdx_license_key': 'Apache-2.0',
'spdx_url': 'https://spdx.org/licenses/Apache-2.0',
'text_url': 'http://www.apache.org/licenses/LICENSE-2.0'},
{'category': 'Permissive',
'homepage_url': 'http://opensource.org/licenses/mit-license.php',
'is_exception': False,
'is_unknown': False,
'key': 'mit',
'name': 'MIT License',
'owner': 'MIT',
'reference_url': 'https://scancode-licensedb.aboutcode.org/mit',
'scancode_data_url': 'https://github.com/nexB/scancode-toolkit/tree/develop/src/licensedcode/data/mit.yml',
'scancode_text_url': 'https://github.com/nexB/scancode-toolkit/tree/develop/src/licensedcode/data/mit.LICENSE',
'short_name': 'MIT License',
'spdx_license_key': 'MIT',
'spdx_url': 'https://spdx.org/licenses/MIT',
'text_url': 'http://opensource.org/licenses/mit-license.php'}],
'match_coverage': 100.0,
'matched_length': 4,
'matched_text': 'Apache-2.0\r\n\r\nMIT',
'matcher': '2-aho',
'mid': 0,
'referenced_filenames': [],
'rule_identifier': 'apache-2.0_or_mit_48.RULE',
'rule_length': 4,
'rule_relevance': 99,
'rule_text_url': 'https://github.com/nexB/scancode-toolkit/tree/develop/src/licensedcode/data/rules/apache-2.0_or_mit_48.RULE',
'score': 99,
'start_line': 1}]
```

@tdruez could you please tell me what details and in what order the details should be shown?