refactor(compiler-cli): move config initialization into constructor

[frost-cy]

When TS output target is set to ES2022 or newer, the class fields don't get transpiled.

That causes a runtime error here in the this._config.generateUniqueIdentifier.

This is because _config doesn't get set until the constructor runs.

PR Checklist

Please check if your PR fulfills the following requirements:

• The commit message follows our guidelines: https://github.com/angular/angular/blob/main/CONTRIBUTING.md#commit
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Documentation content changes
• angular.io application / infrastructure changes
• Other... Please describe:

What is the current behavior?

No change

Issue Number: N/A

What is the new behavior?

No change

Does this PR introduce a breaking change?

• Yes
• No

Other information

[devversion]

LGTM. @frost-cy can you please run yarn ng-dev format changed? (and fix the prettier formatting)

[frost-cy]

LGTM. @frost-cy can you please run yarn ng-dev format changed? (and fix the prettier formatting)

I'm not sure if it worked.

[devversion]

@frost-cy I'm trying to fix this PR up for you, but I recommend having a look at these slides for future PRs. The formatting is not correct because you likely just used the Github web UI

[pkozlowski-opensource]

This PR was merged into the repository by commit 0a8c48e.

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