Fixes issue where refreshed Entra token isn't persisted to the OE node's copy of the connection

[Benjin]

Description

Fixes an issue where after an Entra token expires and the user is prompted to re-authenticate, the new token isn't persisted to the OE node's copy of the connection profile. This results in many reauth prompts for sessions that last beyond the initial Entra token's lifespan.

Fixes #19869
Fixes #19931

Code Changes Checklist

• New or updated unit tests added
• All existing tests pass (npm run test)
• Code follows contributing guidelines
• Telemetry/logging updated if relevant
• No regressions or UX breakage

Reviewers: Please read our reviewer guidelines

[github-actions]

PR Changes

Category	Target Branch	PR Branch	Difference
Code Coverage	56.54%	55.91%	⚪ 0.00%
VSIX Size	4869 KB	4860 KB	⚪ -9 KB ( 0% )
Webview Bundle Size	4024 KB	4012 KB	⚪ -12 KB ( 0% )

[codecov-commenter]

Codecov Report

❌ Patch coverage is 63.15789% with 14 lines in your changes missing coverage. Please review.
✅ Project coverage is 53.95%. Comparing base (7e1cf01) to head (2aa1bea).
⚠️ Report is 12 commits behind head on main.

Files with missing lines	Patch %	Lines
src/controllers/connectionManager.ts	0.00%	6 Missing ⚠️
src/controllers/mainController.ts	0.00%	5 Missing ⚠️
src/controllers/sqlDocumentService.ts	81.81%	2 Missing ⚠️
src/schemaDesigner/schemaDesignerWebviewManager.ts	0.00%	1 Missing ⚠️

❌ Your patch status has failed because the patch coverage (63.15%) is below the target coverage (70.00%). You can increase the patch coverage or adjust the target coverage.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #20352      +/-   ##
==========================================
+ Coverage   53.91%   53.95%   +0.03%     
==========================================
  Files         198      198              
  Lines       17125    17156      +31     
  Branches     1140     1141       +1     
==========================================
+ Hits         9233     9256      +23     
- Misses       7892     7900       +8     

Files with missing lines	Coverage Δ
src/objectExplorer/nodes/treeNodeInfo.ts	95.83% <100.00%> (+3.94%)	⬆️
...rc/tableDesigner/tableDesignerWebviewController.ts	75.65% <100.00%> (+0.16%)	⬆️
src/utils/utils.ts	74.07% <100.00%> (+2.64%)	⬆️
src/schemaDesigner/schemaDesignerWebviewManager.ts	14.28% <0.00%> (-0.35%)	⬇️
src/controllers/sqlDocumentService.ts	85.86% <81.81%> (-0.65%)	⬇️
src/controllers/mainController.ts	16.08% <0.00%> (-0.05%)	⬇️
src/controllers/connectionManager.ts	43.13% <0.00%> (-0.37%)	⬇️

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