fix(misc): fix normalizing e2e project name and root

[leosvelperez]

Current Behavior

Some project generators that generate an e2e test project when using the new project name and root format (as-provided) and providing a directory throw an error. It happens because the directory provided to the helper function is the directory of the app. With the as-provided format, that's where the project is going to be generated, but the app project is there.

Expected Behavior

Project generators that generate an e2e test project should normalize the e2e project name and root correctly and not throw.

When the e2e project name and root is determined we already know the fully normalized app name and root. So, the e2e project name and root can be easily determined without using the helper.

Related Issue(s)

Fixes #

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✅ Successfully ran 8 targets

• linux nx affected --target=e2e --base=231a998e004c13e559c171ba6c164a9127886153 --head=fc323ce4e603a68a6ff38f06a9f783b3efe87f04 --parallel=1
• linux nx affected --target=test --base=231a998e004c13e559c171ba6c164a9127886153 --head=fc323ce4e603a68a6ff38f06a9f783b3efe87f04 --parallel=1
• linux nx affected --target=build --base=231a998e004c13e559c171ba6c164a9127886153 --head=fc323ce4e603a68a6ff38f06a9f783b3efe87f04 --parallel=3
• linux nx run-many -t check-imports check-commit check-lock-files check-codeowners documentation --parallel=1 --no-dte
• linux nx affected --target=lint --base=231a998e004c13e559c171ba6c164a9127886153 --head=fc323ce4e603a68a6ff38f06a9f783b3efe87f04 --parallel=3
• nx-cloud record -- nx format:check --base=231a998e004c13e559c171ba6c164a9127886153 --head=fc323ce4e603a68a6ff38f06a9f783b3efe87f04
• linux nx documentation --no-dte
• macos nx affected -t e2e-macos --parallel=1 --base=231a998e004c13e559c171ba6c164a9127886153 --head=fc323ce4e603a68a6ff38f06a9f783b3efe87f04

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