* [PM-31361] Enhance domain claimed email notifications
* Updated the email template to include the claimed domain name and user email.
* Modified the `ClaimedUserDomainClaimedEmails` model to include the domain name.
* Adjusted the `SendClaimedDomainUserEmailAsync` method to pass the domain name to the email message.
* Added a new test for rendering the domain claimed email to ensure proper content delivery.
* Update email templates for domain claimed notifications
* Adjusted styles and formatting in the DomainClaimedByOrganization email template for improved readability.
* Modified the TitleContactUs layout to ensure proper rendering of titles.
* Updated the HandlebarsMailService to include HTML line breaks in the email title for better presentation.
* Update TitleContactUs email template to center-align title text for improved presentation
* Refine TitleContactUs email template by removing unnecessary text-align property for improved consistency in styling
* Fix PR comments
* Update test/Core.Test/Platform/Mail/DomainClaimedEmailRenderTest.cs
Co-authored-by: claude[bot] <209825114+claude[bot]@users.noreply.github.com>
* Update test/Core.Test/Platform/Mail/DomainClaimedEmailRenderTest.cs
Co-authored-by: claude[bot] <209825114+claude[bot]@users.noreply.github.com>
* Update test/Core.Test/Platform/Mail/DomainClaimedEmailRenderTest.cs
Co-authored-by: claude[bot] <209825114+claude[bot]@users.noreply.github.com>
* Remove unnecessary comments
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Jared