debugger: wait for target startup before initialization

[Archkon]

Trying to fix the test error that triggered at previous pr when run github action ci/cd

https://github.com/nodejs/node/actions/runs/28730483133/job/85195106458?pr=64301

[trivikr]

Several previous attempts of deflaking were unsuccessful.
Please refer #64116 for prior discussions and links to other PRs.

[Archkon]

Several previous attempts of deflaking were unsuccessful. Please refer #64116 for prior discussions and links to other PRs.

Ok, I got it .Thanks !

[codecov]

Codecov Report

❌ Patch coverage is 96.49123% with 2 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.14%. Comparing base (e7904d4) to head (28953e2).

Files with missing lines	Patch %	Lines
lib/internal/debugger/inspect_helpers.js	95.23%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #64304      +/-   ##
==========================================
- Coverage   90.14%   90.14%   -0.01%     
==========================================
  Files         746      746              
  Lines      242764   242819      +55     
  Branches    45739    45754      +15     
==========================================
+ Hits       218848   218895      +47     
+ Misses      15426    15425       -1     
- Partials     8490     8499       +9     

Files with missing lines	Coverage Δ
lib/internal/debugger/inspect_probe.js	82.14% <100.00%> (+<0.01%)	⬆️
lib/internal/debugger/inspect_repl.js	91.36% <100.00%> (+0.05%)	⬆️
lib/internal/debugger/inspect_helpers.js	97.00% <95.23%> (-0.41%)	⬇️

... and 19 files with indirect coverage changes

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[Archkon]

@joyeecheung @trivikr Could you take a look at this? I believe this would fix the flaky tests that related to timou of macos ci