🐛 Bug Report: Crash on iOS deeplinks

[MarkPerkins]

issue reopened from: #888

👟 Reproduction steps

add the.registerOAuthHandler() Modifier to your root view in your app. Then launch the app from any deeplink url, and receive crash.

👍 Expected behavior

I'd expect this process to fail silently without a crash.

👎 Actual Behavior

🎲 Appwrite version

Different version (specify in environment)

💻 Operating system

Something else

🧱 Your Environment

sdk-for-apple version 6.0.0

👀 Have you spent some time to check if this issue has been raised before?

• I checked and didn't find similar issue

🏢 Have you read the Code of Conduct?

• I have read the Code of Conduct

[MarkPerkins]

let me know if you want me to redo the branch name with the correct issue number.
#887