To reproduce:
1. Open attached project "Metal_iOS_Bug.zip"
2. Open "SampleScene.unity" scene
3. Make sure that Metal Editor Support is enabled
4. Select the Main Camera in the Hierarchy window
5. In "Create Command Buffer (Script)" component change Projection Type from No Renderto Texture to Unity Default
6. Enter Play mode

Expected result: green overlay of the cubes are placed directly on the cubes
Actual result: the green overlay is offset and is not placed on the white cubes

Reproduced on:
2017.4.0f1 2017.4.28f1 2018.4.2f1 2019.1.6f1 2019.3.0a5

Reproduced on:
- iPhone 8 Plus iOS 12.0
- macOS 10.14.4 machine
- An Android with Vulcan enabled VLNQA00124, Google Pixel 2 XL (Pixel 2 XL), Android 9, CPU: Snapdragon 835 MSM8998, GPU: Adreno (TM) 540
- Win 10 machine

Notes:
- Doesn't reproduce on OpenGLCore
- On Android, the green overlay can't be seen even with OpenGless2 or 3