[clr-ios] Debugger shows wrong source file and variables when stopped in interpreted code

[kotlarmilos]

Description

When the debugger stops in interpreted code on device, vscode opens the wrong source file and displays variables from a different method.

Impact

For example, Debugger.Break() in OnCounterClicked (MainPage.xaml.cs) causes vscode to open MainPage.xaml.xsg.cs. Stepping and Continue work correctly after stopping, and variable values can be read from the intended scope.

Root cause

The IL offset to source mapping seems to be broken on device.

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