To reproduce:
1. Open attached project "Missing iOS Device.zip"
2. Build for iOS
3. Deploy Xcode project to an iOS device

Expected result: iPad 6th Generation is identified as iPad 6th generation
Actual result: iPad 6th generation is identified as iPadPro10Inch2Gen

Reproduced on:
2017.4.0f1 2017.4.19f1 2018.3.3f1 2019.1.0a15

Device reproduced on:
iPad 6th generation iOS 11.4.1

Device not reproduced on:
iPad Pro 3rd Gen iOS 12.1.1

Notes:
-On 2017.4.0f1 iPad Pro 3rd gen and iPad 6th bot get identified as iPadUnknown
-On 2017.4.19f1 2019.1.0a15 and 2019.2.0a2 iPad is identified as iPadUnknown
-iPad Pro 3th generation is identified correctly as iPadPro3Gen