refactor: office xml addin telemetry and teamsapp.yml logic

[ZYUN-MSFT]

This PR doing the follow things:

1. add telemetry for Office XML Addin Generator
2. Add teamsapp.yml for create Office XML Addin
3. Dynamic Generate Lang Options for Office XML Addin
4. Comments in FeatureFlag file
5. Rename Excel Custom Functions capability options (used in CLI)
6. UT added

For GDPR status, run entityname like 'ms-teams-vscode-extension/office-xml-addin%' and complete = 'true' in GDPR site

[codecov]

Codecov Report

Attention: Patch coverage is 95.45455% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 87.15%. Comparing base (e3e9eda) to head (b63a921).

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #11055      +/-   ##
==========================================
+ Coverage   87.13%   87.15%   +0.02%     
==========================================
  Files         456      456              
  Lines       27463    27474      +11     
  Branches     5516     5520       +4     
==========================================
+ Hits        23929    23945      +16     
+ Misses       1774     1770       -4     
+ Partials     1760     1759       -1     

Files	Coverage Δ
packages/fx-core/src/common/featureFlags.ts	97.50% <100.00%> (ø)
...omponent/generator/officeXMLAddin/projectConfig.ts	100.00% <ø> (ø)
packages/fx-core/src/question/create.ts	91.61% <100.00%> (+0.06%)	⬆️
...-core/src/question/options/CreateProjectOptions.ts	100.00% <ø> (ø)
...rc/component/generator/officeXMLAddin/generator.ts	98.24% <91.66%> (+9.78%)	⬆️

The base branch was changed.