feat(jsx-email): add meta tags to head and update test suite

[lordelogos]

Component / Package Name:

Head

This PR contains:

• bugfix
• feature
• refactor
• documentation
• other

Are tests included?

• yes (bugfixes and features will not be merged without tests)
• no

Breaking Changes?

• yes (breaking changes will not be merged unless absolutely necessary)
• no

If yes, please include "BREAKING CHANGES:" in the first commit message body, followed by a description of what is breaking.

List any relevant issue numbers:

Description

This PR adds the following meta tags:
Meta tag for format-detection
usage: To control how certain types of content are automatically detected and formatted by email clients on mobile devices.

Meta tag for x-apple-disable-message-reformatting
usage: It is specifically used in HTML email templates to prevent Apple's Mail app from automatically adjusting the formatting or layout of the email content.

Meta tag for viewport
usage: It is used for the usual responsive design we are used to on the web, basically to support media queries