Exception.Data is not shown in UI

### Package

Sentry

### .NET Flavor

.NET

### .NET Version

9

### OS

Windows

### OS Version

*No response*

### Development Environment

Visual Studio v17.14

### SDK Version

5.15

### Self-Hosted Sentry Version

*No response*

### Workload Versions

throw new Exception("test data")
{
Data = {
\["string"\] = "123",
\["int"\] = 456
}
};
{
Data = {
\["string"\] = "123",
\["int"\] = 456
}
};

### UseSentry or SentrySdk.Init call

UseSentry

### Steps to Reproduce

Just throw any error with exception data in [asp.net]() controller

### Expected Result

Should be shown somewhere in the Sentry UI

### Actual Result

Not shown at all, though if I open Sentry issue as JSON it is there.