Fixed ActiveDirectoryMsi Authentication behavior when specified UID

[laclefyoshi]

In case of Authentication = ActiveDirectoryMsi, UID may be specified when using user-managed identity.
This fix is for ActiveDirectoryMsi to use the specified UID.

MS Doc - Connect Using Azure Active Directory Authentication - Using the user-assigned managed identity with PDO_SQLSRV driver

[ghost]

All CLA requirements met.

[codecov]

Codecov Report

Merging #1374 (4649206) into dev (ba53591) will decrease coverage by 0.05%.
The diff coverage is n/a.

❗ Current head 4649206 differs from pull request most recent head 15576ec. Consider uploading reports for the commit 15576ec to get more accurate results

@@            Coverage Diff             @@
##              dev    #1374      +/-   ##
==========================================
- Coverage   83.63%   83.58%   -0.06%     
==========================================
  Files          22       22              
  Lines        7829     7841      +12     
==========================================
+ Hits         6548     6554       +6     
- Misses       1281     1287       +6     

Impacted Files	Coverage Δ
...x86/php-8.0.17-src/ext/sqlsrv/shared/core_conn.cpp	80.62% <0.00%> (-1.12%)	⬇️
...php-8.0.17-src/ext/pdo_sqlsrv/shared/core_conn.cpp	85.75% <0.00%> (-0.05%)	⬇️

[absci]

Thanks for your contribution. Could you pull the latest change from dev to your PR? It contains a small fix for the Appveyor, that pipeline is required to pass before merging.

[laclefyoshi]

Thank you for your approval!
I've fetched changes of dev.