How to reproduce:
1. Build And Run the user’s attached “video-tests.zip” project on an iOS device
2. In the app, press the “Prepare Video” button (if a video preview is not shown, then before this step, press (the “<“ or “>” button)
3. Minimize the app
4. Open the app
5. Press the “Play” button
6. Observe the video

Expected result: The video is playing
Actual result: White screen shown instead of video, and “Cannot read file" is logged

Reproducible with: 2022.2.0a16, 2022.2.21f1, 2022.3.4f1, 2023.1.2f1, 2023.2.0a21
Not reproducible with: 2021.3.27f1, 2022.2.0a15

Reproduced on:
VLNQA00494 - iPhone 14 Pro Max, 16.3.1 iOS
VLNQA00358 - iPhone 12, 14.1 iOS
VLNQA00392 - iPad (9th generation), 15.0 iOS
VLNQA00310 - iPad Pro 12.9", 13.4.1 iOS

Not reproduced on:
VLNQA00523 - Galaxy S23 (SM-S911U), CPU: Snapdragon 8 Gen 2 (SM8550), GPU: Adreno 740, OS: 13
VLNQA00520 - Galaxy S22 USA (SM-S901U), CPU: Snapdragon 8 Gen 1 (SM8450), GPU: Adreno 730, OS: 12
VLNQA00277 - Asus ROG Phone (ASUS_Z01QD), CPU: Snapdragon 845 SDM845, GPU: Adreno 630, OS: 8.1.0 (App fully closes instead of going to background)

Notes:
If the video is actively playing (not paused) when the app enters the background, this issue does not occur
If the video performs a seek to a different frame after the app enters the foreground prior to resuming playback, this issue does not occur