feat(iOS): added custom URL schemes handling in the `AppDelegate` class #2533

Job	Run time
test_tao_macros	13s
fmt check	6s
tests (windows, x86_64-pc-windows-msvc, windows-latest)	5m 46s
tests (ubuntu, x86_64-unknown-linux-gnu, ubuntu-latest)	4m 12s
tests (ubuntu-without-feat, x86_64-unknown-linux-gnu, ubuntu-latest, --no-default-features)	4m 0s
tests (macos, x86_64-apple-darwin, macos-latest)	2m 1s
tests (android, aarch64-linux-android, ubuntu-latest, apk --)	1m 43s
tests (ios, aarch64-apple-ios, macos-latest)	58s
	18m 59s

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