fix: prevent infinite recursion when looking for initial chunks in OutputPlugin

[jbroma]

Summary

Fix infinite recursion bug in OutputPlugin which might happen when chunk references itself as parent and/or child.

Closes #642
Closes #655

Remarks

Reproduced in TesterApp by limiting the chunk count:

new webpack.optimize.LimitChunkCountPlugin({
        maxChunks: 1,
}),

Test plan

• - TesterApp no longer crashes in an exemplary scenario with LimitChunkCountPlugin

[vercel]

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Name	Status	Preview	Comments	Updated (UTC)
repack-website	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 28, 2024 2:43pm

[changeset-bot]

🦋 Changeset detected

Latest commit: fac17b7

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 3 packages

Name	Type
@callstack/repack	Patch
@callstack/repack-dev-server	Patch
@callstack/repack-init	Patch

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