Bugfix MTE-2449 testLaunchExternalApp for iPad

[clarmso]

📜 Tickets

Jira ticket

💡 Description

Here's a patch for the PR (#19345) that the test testLaunchExternalApp() missed a case for iPad. The reminder app appears in a different index on iPad.

Now the test passes on both iPhone and iPad.

📝 Checklist

You have to check all boxes before merging

• Filled in the above information (tickets numbers and description of your work)
• Updated the PR name to follow our PR naming guidelines
• Wrote unit tests and/or ensured the tests suite is passing
• When working on UI, I checked and implemented accessibility (minimum Dynamic Text and VoiceOver)
• If needed, I updated documentation / comments for complex code and public methods
• If needed, added a backport comment (example @Mergifyio backport release/v120)