Adding telemetry for feedback survey funnel, and more opportunities to prompt for feedback

[Benjin]

Description

This PR adds telemetry to understand the full feedback survey funnel:

• How many users are performing "feedback-triggering" actions?
• How many users are eligible for prompting, and why?
• How do users respond to the prompt for feedback?

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	57.08%	57.29%	⚪ 0.00%
VSIX Size	4921 KB	4912 KB	⚪ -9 KB ( 0% )
Webview Bundle Size	4032 KB	4032 KB	⚪ 0 KB ( 0% )

[codecov-commenter]

Codecov Report

❌ Patch coverage is 69.66292% with 27 lines in your changes missing coverage. Please review.
✅ Project coverage is 55.23%. Comparing base (c8db922) to head (3e57215).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/controllers/mainController.ts	7.14%	13 Missing ⚠️
src/nps/userSurvey.ts	91.11%	4 Missing ⚠️
.../schemaDesigner/schemaDesignerWebviewController.ts	50.00%	2 Missing ⚠️
src/controllers/connectionManager.ts	50.00%	1 Missing ⚠️
src/copilot/tools/connectTool.ts	0.00%	1 Missing ⚠️
src/copilot/tools/runQueryTool.ts	50.00%	1 Missing ⚠️
src/deployment/deploymentWebviewController.ts	50.00%	1 Missing ⚠️
src/deployment/fabricProvisioningHelpers.ts	66.66%	1 Missing ⚠️
src/deployment/localContainersHelpers.ts	66.66%	1 Missing ⚠️
src/extension.ts	0.00%	1 Missing ⚠️
... and 1 more

❌ Your patch status has failed because the patch coverage (69.66%) 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   #20371      +/-   ##
==========================================
+ Coverage   55.02%   55.23%   +0.20%     
==========================================
  Files         200      200              
  Lines       17582    17626      +44     
  Branches     1151     1148       -3     
==========================================
+ Hits         9675     9736      +61     
+ Misses       7907     7890      -17     

Files with missing lines	Coverage Δ
src/connectionSharing/connectionSharingService.ts	7.69% <ø> (ø)
...nectionconfig/connectionDialogWebviewController.ts	46.75% <100.00%> (+0.07%)	⬆️
src/copilot/chatAgentRequestHandler.ts	56.74% <100.00%> (+0.22%)	⬆️
src/copilot/tools/changeDatabaseTool.ts	19.35% <ø> (ø)
src/sharedInterfaces/telemetry.ts	100.00% <100.00%> (ø)
...rc/tableDesigner/tableDesignerWebviewController.ts	78.43% <100.00%> (+0.14%)	⬆️
src/controllers/connectionManager.ts	43.21% <50.00%> (+0.07%)	⬆️
src/copilot/tools/connectTool.ts	20.28% <0.00%> (ø)
src/copilot/tools/runQueryTool.ts	27.58% <50.00%> (+1.66%)	⬆️
src/deployment/deploymentWebviewController.ts	10.47% <50.00%> (+0.86%)	⬆️
... and 7 more

... and 1 file with indirect coverage changes

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