refactor: create the ElectronProcess type (ChildProcess + restarted property)

[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:

This avoids the (process as any).restarted idiom.

[codecov]

Codecov Report

Merging #1346 into master will decrease coverage by 26.24%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           master    #1346       +/-   ##
===========================================
- Coverage   66.68%   40.43%   -26.25%     
===========================================
  Files          70        4       -66     
  Lines        2041      183     -1858     
  Branches      383       37      -346     
===========================================
- Hits         1361       74     -1287     
+ Misses        523       96      -427     
+ Partials      157       13      -144

Impacted Files	Coverage Δ
packages/api/core/src/api/import.ts	26% <0%> (-32.42%)	⬇️
packages/maker/snap/src/MakerSnap.ts
...es/api/core/src/api/init-scripts/init-directory.ts
packages/api/core/src/util/index.ts
packages/api/core/src/util/publish-state.ts
packages/utils/async-ora/src/index.ts
packages/maker/wix/src/util/author-name.ts
packages/maker/rpm/src/MakerRpm.ts
packages/installer/base/src/Installer.ts
packages/maker/appx/src/util/author-name.ts
... and 54 more

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