fix: ContainerId not detected post version 0.2.2

[abhee11]

Which problem is this PR solving?

-#2073 (comment)

Short description of the changes

• The (await this._getContainerIdV1()) ?? (await this._getContainerIdV2()) does not go in to v2 detector unless v1 return ull or defined - which in some cases returns '' which needs to be treated as falsy value

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 90.38%. Comparing base (dfb2dff) to head (e19422a).
Report is 155 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2270      +/-   ##
==========================================
- Coverage   90.97%   90.38%   -0.59%     
==========================================
  Files         146      149       +3     
  Lines        7492     7522      +30     
  Branches     1502     1576      +74     
==========================================
- Hits         6816     6799      -17     
- Misses        676      723      +47     

Files	Coverage Δ
...ector-container/src/detectors/ContainerDetector.ts	92.85% <100.00%> (ø)

... and 53 files with indirect coverage changes