revert: remove link cloaking restrictions (reverts #26292 and #26528)

[PeerRich]

What does this PR do?

Reverts PR #26292 and PR #26528 to restore link cloaking functionality for all users in workflow emails.

Background: The original PRs restricted link cloaking (hiding URLs behind custom text like "Click here") to prevent potential phishing/spam. PR #26292 removed link cloaking entirely, and PR #26528 re-enabled it only for Organization accounts.

Why revert: The team plans to fight malicious links using Cloudflare URL Scanner instead of restricting the link cloaking feature.

Changes:

• Remove replaceCloakedLinksInHtml function and all its usages
• Remove isOrganization checks from email workflow processing
• Restore the link toolbar item in the workflow editor for all users
• Delete the replaceCloakedLinksInHtml test file

Mandatory Tasks (DO NOT REMOVE)

• I have self-reviewed the code (A decent size PR without self-review might be rejected).
• I have updated the developer docs in /docs if this PR makes changes that would require a documentation change. N/A - no documentation changes needed.
• I confirm automated tests are in place that prove my fix is effective or that my feature works. N/A - this is a revert removing functionality and its associated tests.

How should this be tested?

1. Create a workflow with an email action
2. In the email body editor, verify the link toolbar button is available
3. Add a link with custom text (e.g., "Click here" linking to https://example.com)
4. Trigger the workflow and verify the email contains the cloaked link (text shows "Click here" but links to the URL)

Checklist

• My code follows the style guidelines of this project
• I have checked if my changes generate no new warnings
• My PR is not too large

Human Review Checklist

• Verify Cloudflare URL Scanner is configured/ready before merging this PR
• Confirm all isOrganization references related to link cloaking have been removed
• Verify the workflow editor UI correctly shows the link toolbar for all users (not just orgs)

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Link to Devin run

https://app.devin.ai/sessions/db06a1bf83b643c7b47e40d0bea69250

Requested by

@PeerRich

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