refactor: modify manifests for PY templates, add CEAEnabled consume logic and add test case

[frankqianms]

workitem: https://msazure.visualstudio.com/Microsoft%20Teams%20Extensibility/_workitems/edit/29830998

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.66%. Comparing base (e107e78) to head (19c9623).
Report is 1 commits behind head on dev.

Additional details and impacted files

@@           Coverage Diff            @@
##              dev   #12512    +/-   ##
========================================
  Coverage   89.66%   89.66%            
========================================
  Files         583      583            
  Lines       34650    34652     +2     
  Branches     6841     6707   -134     
========================================
+ Hits        31069    31071     +2     
  Misses       1588     1588            
  Partials     1993     1993            

Files with missing lines	Coverage Δ
...kages/fx-core/src/component/generator/generator.ts	86.17% <100.00%> (+0.14%)	⬆️
...omponent/generator/templates/templateReplaceMap.ts	100.00% <100.00%> (ø)