[GraphRBAC] Adding oauth2AllowImplicitFlow property to ApplicationCreateParameters and ApplicationUpdateParameters

[AutorestCI]

Generated from RestAPI PR: Azure/azure-rest-api-specs#1712

[codecov-io]

Codecov Report

Merging #1456 into master will decrease coverage by <.01%.
The diff coverage is 50%.

@@            Coverage Diff             @@
##           master    #1456      +/-   ##
==========================================
- Coverage   54.62%   54.62%   -0.01%     
==========================================
  Files        3142     3142              
  Lines       79379    79382       +3     
==========================================
  Hits        43362    43362              
- Misses      36017    36020       +3

Impacted Files	Coverage Δ
...bac/azure/graphrbac/models/key_credential_paged.py	80% <ø> (ø)	⬆️
...re/graphrbac/operations/applications_operations.py	10.79% <ø> (ø)	⬆️
...c/azure/graphrbac/models/user_update_parameters.py	44.44% <ø> (ø)	⬆️
azure-graphrbac/azure/graphrbac/version.py	100% <ø> (ø)	⬆️
...phrbac/azure/graphrbac/models/application_paged.py	80% <ø> (ø)	⬆️
...ure-graphrbac/azure/graphrbac/models/aad_object.py	21.73% <ø> (ø)	⬆️
azure-graphrbac/azure/graphrbac/models/user.py	100% <ø> (ø)	⬆️
...zure-graphrbac/azure/graphrbac/models/str_paged.py	80% <ø> (ø)	⬆️
...c/azure/graphrbac/operations/objects_operations.py	24.07% <ø> (ø)	⬆️
.../azure/graphrbac/models/group_create_parameters.py	77.77% <ø> (ø)	⬆️
... and 31 more

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[lmazuel]

In #1460