QE Top section updates

[AdamGrzybkowski]

Description

This PR makes some changes to the QE top bar and the profile card:

1. The icon in the View button is changed to "external link".
2. The email above the profile card is removed from the QE if the auth token is provided from a 3rd-party app.
3. The font scaling inside the profile card is limited to 1.5f.

Screen_recording_20250616_094128.mp4

Testing Steps

1. Launch the QE with and without the token - confirm the email visibility.
2. Test the new icon in RTL - it should be mirrored.
3. Test the font scaling and confirm it stops at a certain threshold.

[wpmobilebot]

📲 You can test the changes from this Pull Request in Gravatar Demo by scanning the QR code below to install the corresponding build.

	App Name	Gravatar Demo
	Commit	6132b3b
	Direct Download	gravatar-demo-prototype-build-pr664-6132b3b.apk

[hamorillo]

🚀 Thanks for the changes! I left a minor question to discuss.

✅ Launch the QE with and without the token - confirm the email visibility.
✅ Test the new icon in RTL - it should be mirrored.
✅ Test the font scaling and confirm it stops at a certain threshold.

[hamorillo]

❓ I wonder if (probably not now) we should replace the default icon in the UI library with this new icon.

[AdamGrzybkowski]

I believe iOS doesn't use the public component, so the new icon was changed only in the QE. That's why I didn't modify the public component as well. The icon can be easily modified (as we did here) so I don't think it's a big issue.

[hamorillo]

Yeah, it makes total sense for this PR. I was thinking aloud. I agree that it's not a big issue.