fix(webpack): fix webpack plugin issues and e2e tests

[jaysoo]

This PR fixes the two failing webpack e2e tests One test required two small fixes:

1. NxWebpackPlugin - Should not override user's config.target with 'web'
2. @nx/webpack:configuration- Generator had wrong output.path and was nested it under <proj>/dist/<proj> rather than dist/<proj>.

Current Behavior

Expected Behavior

Related Issue(s)

Fixes #

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1 Ignored Deployment

Name	Status	Preview	Updated (UTC)
nx-dev	⬜️ Ignored (Inspect)	Visit Preview	Feb 2, 2024 4:00pm

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✅ Successfully ran 6 targets

• nx affected --target=e2e --base=7c231e34fb700ed07f348a4af4b4066d4060443c --head=332933df95bde8c155f948f6dc378fb5c82da414 --parallel=1
• nx affected --targets=lint,test,build --base=7c231e34fb700ed07f348a4af4b4066d4060443c --head=332933df95bde8c155f948f6dc378fb5c82da414 --parallel=3
• nx run-many -t check-imports check-commit check-lock-files check-codeowners documentation --parallel=1 --no-dte
• nx-cloud record -- nx format:check --base=7c231e34fb700ed07f348a4af4b4066d4060443c --head=332933df95bde8c155f948f6dc378fb5c82da414
• nx documentation --no-dte
• nx affected -t e2e-macos --parallel=1 --base=7c231e34fb700ed07f348a4af4b4066d4060443c --head=332933df95bde8c155f948f6dc378fb5c82da414

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[mandarini]

approved, just one comment

[github-actions]

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