feat: rtl style improvements - direction visuals improvements and usage updates

[arashackdev]

What does this PR do?

General improvements for emdash admin and some other packages to be compatible with ltr/rtl direction. Related to this discussion: #145 (comment)

Also covers arrow and caret direction respecting chosen language direction.

So overall:

• Updates directional tailwind codes for left/right to start/end and related changes.
• Updates arrow and caret usage on left/right directions, to follow ltr/rtl directions.

Type of change

• Bug fix
• Feature (requires maintainer-approved)
• Refactor (no behavior change)
• cms/emdash/discussions/categories/ideas))
• Translation
• Documentation
• Performance improvement
• Tests
• Chore (dependencies, CI, tooling)

Note: a little chore due to ArrowLeft and CaretLeft being deprecated; The updated usage is ArrowLeftIcon and CaretLeftIcon.

Checklist

• I have read CONTRIBUTING.md
• pnpm typecheck passes
• pnpm lint passes
• pnpm test passes (or targeted tests for my change)
• pnpm format has been run
• I have added/updated tests for my changes (if applicable)
• User-visible strings in the admin UI are wrapped for translation (if applicable). Do not include messages.po changes except in translation PRs — a workflow extracts catalogs on merge to main.
• I have added a changeset (if this PR changes a published package)
• New features link to an approved Discussion: https://github.com/emdash-cms/emdash/discussions/...

AI-generated code disclosure

• This PR includes AI-generated code (implementation in bits)

Screenshots / Test Output

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[changeset-bot]

🦋 Changeset detected

Latest commit: 278979f

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

This PR includes changesets to release 16 packages

Name	Type
@emdash-cms/plugin-ai-moderation	Minor
@emdash-cms/plugin-color	Minor
@emdash-cms/plugin-forms	Minor
@emdash-cms/blocks	Minor
@emdash-cms/admin	Minor
@emdash-cms/perf-demo-site	Patch
@emdash-cms/cache-demo-site	Patch
emdash	Minor
@emdash-cms/plugin-embeds	Patch
@emdash-cms/cloudflare	Minor
@emdash-cms/fixture-perf-site	Patch
@emdash-cms/auth	Minor
@emdash-cms/gutenberg-to-portable-text	Minor
@emdash-cms/x402	Minor
create-emdash	Minor
@emdash-cms/auth-atproto	Patch

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Click here if you're a maintainer who wants to add another changeset to this PR

[github-actions]

Scope check

This PR touches 33 files. PRs with a broad scope are harder to review. Please confirm the scope hasn't drifted beyond the intended change.

If this scope is intentional, no action needed. A maintainer will review it. If not, please consider splitting this into smaller PRs.

See CONTRIBUTING.md for contribution guidelines.

[pkg-pr-new]

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@emdash-cms/admin

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@emdash-cms/auth

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@emdash-cms/blocks

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@emdash-cms/cloudflare

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emdash

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create-emdash

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@emdash-cms/gutenberg-to-portable-text

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@emdash-cms/x402

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@emdash-cms/plugin-ai-moderation

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@emdash-cms/plugin-atproto

npm i https://pkg.pr.new/@emdash-cms/plugin-atproto@814

@emdash-cms/plugin-audit-log

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@emdash-cms/plugin-color

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@emdash-cms/plugin-embeds

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@emdash-cms/plugin-forms

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@emdash-cms/plugin-webhook-notifier

npm i https://pkg.pr.new/@emdash-cms/plugin-webhook-notifier@814

commit: 278979f

[emdashbot]

Could not push formatting changes to this fork. The contributor may have "Allow edits by maintainers" disabled.

Please run the formatter locally:

pnpm format

[ascorbic]

This is great! Thanks for doing this