sendSignInLinkToEmail sends incorrect link on iOS after updating to Firebase 9

[t0mstah]

[REQUIRED] Describe your environment

• Operating System version: N/A
• Browser version: N/A
• Firebase SDK version: 9.0.2
• Firebase Product: auth

[REQUIRED] Describe the problem

After updating from Firebase 8 to Firebase 9, dynamic link on iOS is broken:

Previous link sent in email: https://eureka.page.link/?link=https://eurekasurveys.com/email...
New link sent in email: https://eurekasurveys.com/email...

Missing the eurkea.page.link prefix being sent by sendSignInLinkToEmail.

Steps to reproduce:

Send Signin Link to iOS device on Firebase 9.

Relevant Code:

    await firebase.auth().sendSignInLinkToEmail(email, {
        handleCodeInApp: true,
        iOS: {
            bundleId: '[REDACTED]',
        },
        url: 'https://www.eurekasurveys.com/surveys/'
    })

[sam-gc]

Thanks for filing this issue! This is indeed a bug, I've been able to reproduce it. I'm working on a fix, stay tuned!