Porting "Improve Entra account and token resolution performance (#22615)"

[Benjin Dubishar (Benjin)]

Original PR: #22615
Bug: #22706

🤖 This PR was automatically created by the Release Manager agent to port a fix to the release branch.

[github-actions]

PR Changes

Category	Target Branch	PR Branch	Difference
vscode-mssql VSIX	80659 KB	80659 KB	⚪ 0 KB ( 0% )
sql-database-projects VSIX	2899 KB	2899 KB	⚪ 0 KB ( 0% )
data-workspace VSIX	202 KB	202 KB	⚪ 0 KB ( 0% )
keymap VSIX	7 KB	7 KB	⚪ 0 KB ( 0% )

[Codecov Comments Bot (codecov-commenter)]

Codecov Report

❌ Patch coverage is 80.00000% with 6 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (release/1.45@899e9d4). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
extensions/mssql/src/azure/vscodeEntraMfaUtils.ts	78.94%	4 Missing ⚠️
...ensions/mssql/src/connectionconfig/azureHelpers.ts	80.00%	1 Missing ⚠️
...nectionconfig/connectionDialogWebviewController.ts	83.33%	1 Missing ⚠️

Additional details and impacted files

@@               Coverage Diff               @@
##             release/1.45   #22707   +/-   ##
===============================================
  Coverage                ?   76.39%           
===============================================
  Files                   ?      427           
  Lines                   ?   135330           
  Branches                ?     8883           
===============================================
  Hits                    ?   103380           
  Misses                  ?    31950           
  Partials                ?        0           

Flag	Coverage Δ
data-workspace	78.34% <ø> (?)
mssql	76.09% <80.00%> (?)
sqlproj	79.36% <ø> (?)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
...ensions/mssql/src/connectionconfig/azureHelpers.ts	59.75% <80.00%> (ø)
...nectionconfig/connectionDialogWebviewController.ts	75.51% <83.33%> (ø)
extensions/mssql/src/azure/vscodeEntraMfaUtils.ts	74.87% <78.94%> (ø)

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