Coverage data shows 0%files, 100% lines covered everywhere

It looks like for some reasons data about coverage are not readed properly. I've checked wiht VSCode and it works there, so I guess coverage file is ok.

## Steps to Reproduce

Run unit tests with coverage.
Get result like this:


## Version info
[√] Flutter (Channel stable, 3.3.8, on Microsoft Windows [Version 10.0.19044.2251], locale pl-PL)
• Flutter version 3.3.8 on channel stable at C:\Tools\flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision 52b3dc25f6 (10 days ago), 2022-11-09 12:09:26 +0800
• Engine revision 857bd6b74c
• Dart version 2.18.4
• DevTools version 2.15.0

[√] Android toolchain - develop for Android devices (Android SDK version 33.0.0)
• Android SDK at C:\Users\jacek\AppData\Local\Android\sdk\
• Platform android-33, build-tools 33.0.0
• ANDROID_HOME = C:\Users\jacek\AppData\Local\Android\sdk\
• Java binary at: C:\Program Files\Android\Android Studio\jre\bin\java
• Java version OpenJDK Runtime Environment (build 11.0.13+0-b1751.21-8125866)
• All Android licenses accepted.

[√] Chrome - develop for the web
• Chrome at C:\Program Files (x86)\Google\Chrome\Application\chrome.exe

[√] Visual Studio - develop for Windows (Visual Studio Community 2022 17.1.0)
• Visual Studio at C:\Program Files\Microsoft Visual Studio\2022\Community
• Visual Studio Community 2022 version 17.1.32210.238
• Windows 10 SDK version 10.0.19041.0

[√] Android Studio (version 2021.3)
• Android Studio at C:\Program Files\Android\Android Studio
• Flutter plugin can be installed from:
https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 11.0.13+0-b1751.21-8125866)

[√] IntelliJ IDEA Community Edition (version 2022.2)
• IntelliJ at C:\Program Files\JetBrains\IntelliJ IDEA Community Edition 2022.2.3
• Flutter plugin version 71.0.5
• Dart plugin version 222.4345.14

[√] Connected device (1 available)
• D6503 (mobile) • CB5A20P4UB • android-arm • Android 6.0.1 (API 23)

[√] HTTP Host Availability
• All required HTTP hosts are available

Flutter framework as well as of the IntelliJ plugin.