fix(executor): data race when tf fires multiple times & cond signal mistake

[noneback]

…itfall

[codecov]

Codecov Report

Attention: Patch coverage is 89.65517% with 9 lines in your changes missing coverage. Please review.

Project coverage is 91.22%. Comparing base (a5028cf) to head (95cf09f).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
node.go	73.91%	4 Missing and 2 partials ⚠️
graph.go	90.00%	1 Missing and 1 partial ⚠️
executor.go	96.96%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #59      +/-   ##
==========================================
- Coverage   91.75%   91.22%   -0.54%     
==========================================
  Files          12       12              
  Lines         643      661      +18     
==========================================
+ Hits          590      603      +13     
- Misses         38       40       +2     
- Partials       15       18       +3     

Flag	Coverage Δ
unittests	91.22% <89.65%> (-0.54%)	⬇️

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