fix: cherry-pick scoping fallback env variables

[qinzhouxu]

fix: scoping fallback env variables

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.00%. Comparing base (bc2f9bc) to head (4f21561).
Report is 5 commits behind head on dev.

Additional details and impacted files

@@           Coverage Diff            @@
##              dev   #14301    +/-   ##
========================================
  Coverage   90.00%   90.00%            
========================================
  Files         647      647            
  Lines       38780    38784     +4     
  Branches     7610     7799   +189     
========================================
+ Hits        34902    34907     +5     
+ Misses       1760     1759     -1     
  Partials     2118     2118            

Files with missing lines	Coverage Δ
...s/fx-core/src/component/configManager/lifecycle.ts	94.07% <100.00%> (+0.07%)	⬆️
packages/fx-core/src/component/constants.ts	100.00% <100.00%> (ø)
...onent/driver/file/createOrUpdateEnvironmentFile.ts	97.97% <100.00%> (+0.02%)	⬆️

... and 1 file with indirect coverage changes

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