fix(core): find electron when app is in a yarn workspace

[malept]

• I have read the contribution documentation for this project.
• I agree to follow the code of conduct that this project follows, as appropriate.
• The changes have sufficient test coverage (if applicable).
• The testsuite passes successfully on my local machine (if applicable).

Summarize your changes:

Fixes #1377.

[codecov]

Codecov Report

Merging #1450 into master will increase coverage by 0.09%.
The diff coverage is 90%.

@@            Coverage Diff             @@
##           master    #1450      +/-   ##
==========================================
+ Coverage   75.07%   75.16%   +0.09%     
==========================================
  Files          73       73              
  Lines        2118     2130      +12     
  Branches      394      397       +3     
==========================================
+ Hits         1590     1601      +11     
- Misses        404      405       +1     
  Partials      124      124

Impacted Files	Coverage Δ
packages/api/core/src/api/start.ts	87.01% <100%> (ø)	⬆️
packages/api/core/src/util/electron-version.ts	95.23% <88.88%> (-0.85%)	⬇️

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