Adding a let binding in list gives the wrong error and increases the error range to the whole list

[Happypig375]

Repro steps, Actual Behavior

Expected behavior

Known workarounds

Moving the let binding out of the list

Related information

Provide any related information (optional):

• Operating system Win10 1809
• .NET Runtime kind (.NET Core, .NET Framework, Mono) .NETFramework4.8
• Editing Tools (e.g. Visual Studio Version, Visual Studio) VS16.3.1