fix(ui): prevent data loss in copy-to-locale with drafts

[JarrodMFlesch]

Summary

Fixes two related bugs in copyDataFromLocale that cause data loss when using the "Copy to Locale" feature with drafts/autosave enabled:

1. 500 error with draft-only documents: When a document only exists as a draft (never published), copy-to-locale failed with "Error fetching data from locale" because findByID without draft: true can't find draft-only documents.
2. Published content overwritten: When the source locale has both published and draft versions with different content, copying to another locale would overwrite the source locale's published content with the draft content.

Root Cause

The copyDataFromLocale function was:

• Fetching documents without draft: true, failing on draft-only docs
• Calling update() without draft: true, which creates a new published version that snapshots all locales - but using draft data instead of published data for the source locale

Fix

Added draft: true to:

• All findByID/findGlobal calls (4 places) - allows finding draft-only documents
• All update/updateGlobal calls (2 places) - creates draft instead of published, preserving existing published content

Behavior Change

Copy-to-locale now creates a draft in the target locale instead of immediately publishing. This is arguably better UX since users can review translations before publishing.

Test Plan

• Added integration tests for copy-to-locale with autosave/drafts
• Added integration test for draft-only documents
• Added integration test verifying published content isn't overwritten
• Added e2e test for full UI flow

[github-actions]

📦 esbuild Bundle Analysis for payload

This analysis was generated by esbuild-bundle-analyzer. 🤖

Meta File	Out File	Size (raw)	Note
packages/next/meta_index.json	esbuild/index.js	984.93 KB	⚠️ +323 B (+0.0%)
packages/payload/meta_index.json	esbuild/index.js	1.34 MB	✅ No change
packages/payload/meta_shared.json	esbuild/exports/shared.js	190.93 KB	✅ No change
packages/richtext-lexical/meta_client.json	esbuild/exports/client_optimized/index.js	280.56 KB	✅ No change
packages/ui/meta_client.json	esbuild/exports/client_optimized/index.js	1.18 MB	✅ No change
packages/ui/meta_shared.json	esbuild/exports/shared_optimized/index.js	16.32 KB	✅ No change

Largest paths

These visualization shows top 20 largest paths in the bundle.

Meta file: packages/next/meta_index.json, Out file: esbuild/index.js

Path	Size
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Meta file: packages/payload/meta_index.json, Out file: esbuild/index.js

Path	Size
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Path	Size
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dist/utilities/sanitizeUserDataForEmail.js	${{\color{Goldenrod}{ }}}$ 0.4%, 713 B
dist/utilities/getFieldPermissions.js	${{\color{Goldenrod}{ }}}$ 0.3%, 651 B
dist/collections/config	${{\color{Goldenrod}{ }}}$ 0.3%, 570 B
dist/bin/generateImportMap	${{\color{Goldenrod}{ }}}$ 0.3%, 561 B
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Meta file: packages/richtext-lexical/meta_client.json, Out file: esbuild/exports/client_optimized/index.js

Path	Size
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dist/lexical/utils	${{\color{Goldenrod}{ ▊ }}}$ 3.1%, 8.49 KB
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Meta file: packages/ui/meta_client.json, Out file: esbuild/exports/client_optimized/index.js

Path	Size
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dist/elements/BulkUpload	${{\color{Goldenrod}{ ▌ }}}$ 2.4%, 27.80 KB
dist/elements/WhereBuilder	${{\color{Goldenrod}{ ▍ }}}$ 1.5%, 17.38 KB
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dist/forms/Form	${{\color{Goldenrod}{ ▎ }}}$ 1.4%, 15.85 KB
dist/fields/Relationship	${{\color{Goldenrod}{ ▎ }}}$ 1.3%, 15.78 KB
dist/elements/Table	${{\color{Goldenrod}{ ▎ }}}$ 1.3%, 15.77 KB
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Meta file: packages/ui/meta_shared.json, Out file: esbuild/exports/shared_optimized/index.js

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dist/utilities/getVisibleEntities.js	${{\color{Goldenrod}{ ▌ }}}$ 2.1%, 329 B
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Details

Next to the size is how much the size has increased or decreased compared with the base branch of this PR.

• ‼️: Size increased by 20% or more. Special attention should be given to this.
• ⚠️: Size increased in acceptable range (lower than 20%).
• ✅: No change or even downsized.
• 🗑️: The out file is deleted: not found in base branch.
• 🆕: The out file is newly found: will be added to base branch.

[github-actions]

🚀 This is included in version v3.81.0