docs(replay): Document new hydration tree compare, and update related images

[ryan953]

Related to https://github.com/getsentry/sentry/pull/80808 Related to https://github.com/getsentry/sentry/issues/74358

Note that I also updated the subtitle depth, so the right-sidebar looks is changed:

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Name	Status	Preview	Comments	Updated (UTC)
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2 Skipped Deployments

| Name | Status | Preview | Comments | Updated (UTC) | | :--- | :----- | :------ | :------- | :------ | | **changelog** | ⬜️ Ignored ([Inspect](https://vercel.com/sentry/changelog/3bxNhGLVdeLzQjKoJbwsuEGr4jcG)) | [Visit Preview](https://changelog-git-ryan953-hydration-mutation-tree.sentry.dev) | | Nov 21, 2024 3:12am | | **develop-docs** | ⬜️ Ignored ([Inspect](https://vercel.com/sentry/develop-docs/5tM9J43KC18pU6WRQJ5fETTxb1Nf)) | [Visit Preview](https://develop-docs-git-ryan953-hydration-mutation-tree.sentry.dev) | | Nov 21, 2024 3:12am |

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Bundle Report

Changes will increase total bundle size by 297 bytes (0.0%) :arrow_up:. This is within the configured threshold :white_check_mark:

Detailed changes

| Bundle name | Size | Change | | ----------- | ---- | ------ | | sentry-docs-server-cjs | 8.6MB | 303 bytes (0.0%) :arrow_up: | | sentry-docs-client-array-push | 8.94MB | 6 bytes (-0.0%) :arrow_down: |