feat: LDAP - add flag which enable nested groups for MS AD

[barloc]

Description

Enable search for user nested groups in LDAP system. Use attribute member:1.2.840.113556.1.4.1941: for Microsoft Active Directory and set groups from the search to the user_info[self.auth_ldap_group_field] field.

Add flag AUTH_LDAP_USE_NESTED_GROUPS_FOR_ROLES which enables this feature. Default value is False.

Fix this issues:

• Nested Group LDAP Auth not working in Airflow FAB #2022
• How to use LDAP_MATCHING_RULE_IN_CHAIN? #1933
• LDAP Group Mapping Issue #1816

ADDITIONAL INFORMATION

• Has associated issue:
• Is CRUD MVC related.
• Is Auth, RBAC security related.
• Changes the security db schema.
• Introduces new feature
• Removes existing feature

[codecov]

Codecov Report

Attention: 8 lines in your changes are missing coverage. Please review.

Comparison is base (59db85d) 79.31% compared to head (b9df441) 74.32%.

Files	Patch %	Lines
flask_appbuilder/security/manager.py	42.85%	8 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2173      +/-   ##
==========================================
- Coverage   79.31%   74.32%   -5.00%     
==========================================
  Files          72       72              
  Lines        8974     8930      -44     
==========================================
- Hits         7118     6637     -481     
- Misses       1856     2293     +437     

Flag	Coverage Δ
python	74.32% <42.85%> (-5.00%)	⬇️

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[lfrancke]

@barloc Can I ask what the status of this is?
I do see build failures and I assume it's now at least partially outdated.

Do you plan to work on this?