Backport of #111169 to release/9.0-staging

/cc @mdh1418

Customer Impact

• Customer reported
• Found internally

Removes exception details from BrowserDebugProxy error reports to telemetry. We only need to quantify how often users hit BrowserDebugProxy's limitations with evaluating expressions.

Regression

• Yes
• No

Testing

[How was the fix verified? How was the issue missed previously? What tests were added?]

Risk

Low, this simplifies the reports. The impacted customers are those debugging a .NET blazorwasm app that use the VS/VS Code debugger extension and hit the BrowserDebugProxy's expression evaluation limitation.

IMPORTANT: If this backport is for a servicing release, please verify that:

• The PR target branch is release/X.0-staging, not release/X.0.

Package authoring no longer needed in .NET 9

IMPORTANT: Starting with .NET 9, you no longer need to edit a NuGet package's csproj to enable building and bump the version.
Keep in mind that we still need package authoring in .NET 8 and older versions.