Porting "Fixes issue where there's no way to sign into additional tenants for an Azure account (#20757)"

[Benjin]

Original PR: #20757
Bug: #19516

[github-actions]

PR Changes

Category	Target Branch	PR Branch	Difference
vscode-mssql VSIX	5261 KB	5262 KB	⚪ 1 KB ( 0% )
sql-database-projects VSIX	5668 KB	5668 KB	⚪ 0 KB ( 0% )

[codecov-commenter]

Codecov Report

❌ Patch coverage is 79.59184% with 10 lines in your changes missing coverage. Please review.
✅ Project coverage is 65.93%. Comparing base (c6bdb75) to head (bb07ca3).

Files with missing lines	Patch %	Lines
...nectionconfig/connectionDialogWebviewController.ts	78.26%	9 Missing and 1 partial ⚠️

Additional details and impacted files

@@               Coverage Diff                @@
##           release/1.38   #20772      +/-   ##
================================================
+ Coverage         65.89%   65.93%   +0.03%     
================================================
  Files               210      210              
  Lines             19728    19777      +49     
  Branches           2535     2539       +4     
================================================
+ Hits              12999    13039      +40     
- Misses             6638     6647       +9     
  Partials             91       91              

Files with missing lines	Coverage Δ
...ensions/mssql/src/connectionconfig/azureHelpers.ts	66.32% <100.00%> (+0.17%)	⬆️
...ons/mssql/src/sharedInterfaces/connectionDialog.ts	97.82% <100.00%> (+0.09%)	⬆️
...nectionconfig/connectionDialogWebviewController.ts	59.11% <78.26%> (+1.25%)	⬆️

... and 1 file with indirect coverage changes

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