fix(plugin-webpack): throw error if something bad happened in preload compilation

[vhashimotoo]

• 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 are appropriately documented (if applicable).
• The changes have sufficient test coverage (if applicable).
• The testsuite passes successfully on my local machine (if applicable).

Summarize your changes:

Do the same as the renderer do, report and exit if all going bad

[codecov]

Codecov Report

Merging #2334 (17a7a4b) into master (7d46109) will decrease coverage by 0.77%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #2334      +/-   ##
==========================================
- Coverage   73.15%   72.38%   -0.78%     
==========================================
  Files          74       76       +2     
  Lines        2198     2285      +87     
  Branches      415      435      +20     
==========================================
+ Hits         1608     1654      +46     
- Misses        418      471      +53     
+ Partials      172      160      -12     

Impacted Files	Coverage Δ
packages/plugin/webpack/src/WebpackPlugin.ts	33.51% <0.00%> (-24.96%)	⬇️
packages/utils/web-multi-logger/src/Log.ts	0.00% <0.00%> (-100.00%)	⬇️
packages/utils/web-multi-logger/src/Logger.ts	21.05% <0.00%> (-68.43%)	⬇️
packages/utils/web-multi-logger/src/Tab.ts	20.00% <0.00%> (-60.00%)	⬇️
...es/plugin/webpack/src/util/ElectronForgeLogging.ts	13.79% <0.00%> (-48.28%)	⬇️
packages/plugin/webpack/src/WebpackConfig.ts	97.61% <0.00%> (ø)
packages/publisher/github/src/util/github.ts	100.00% <0.00%> (ø)
...lisher/electron-release-server/src/PublisherERS.ts	27.27% <0.00%> (ø)
packages/maker/squirrel/src/MakerSquirrel.ts	78.26% <0.00%> (+0.98%)	⬆️
... and 8 more

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