[Experiment] The Title of the shared link is wrongly displayed at the end of the message on WhatsApp

[data-sync-user]

[Device & build information]:

• Device: iPhone 13 mini - iOS 17.4.1
• Build version: Firefox 135.0 (49581) and Firefox Firefox Beta 9000 (49588)

[Prerequisites]:

• Be enrolled in any of the treatment branches of the "“Sent from Firefox” via Share Button - iOS" experiment.

[Steps to reproduce]:

1. Open the browser using the profile from the prerequisites.
2. Navigate to any website.
3. Tap the "Settings" button.
4. Tap the "Share" option.
5. Choose WhatsApp, select a contact and send the message.
6. Observe the message.

[Expected result]:

• The message contains: [Shared URL] Sent from Firefox 🦊 Try the mobile browser: [Download Link]

[Actual result]:

• The message contains: [Shared URL] Sent from Firefox 🦊 Try the mobile browser: [Download Link] Title of the shared URL.

[Notes]:

• It is very confusing to have the title of the shared page displayed after the Mozilla link.
• Attached are screenshots of the issue.
• Treatment-a:
  !Treatment-a.png|width=1125,height=1322,alt="Treatment-a.png"!
• Treatment-b:
  !Treatment-b.png|width=1125,height=1246,alt="Treatment-b.png"!

┆Issue is synchronized with this Jira Bug