Enable IDE0064: MakeStructFieldsWritable (#13945)
Enable IDE0064: MakeStructFieldsWritable (#13945)

https://docs.microsoft.com/dotnet/fundamentals/code-analysis/style-rules/ide0064
JamesWTruher/PowerShell-1,TravisEz13/PowerShell,daxian-dbw/PowerShell,JamesWTruher/PowerShell-1,PaulHigin/PowerShell,PaulHigin/PowerShell,PaulHigin/PowerShell,JamesWTruher/PowerShell-1,daxian-dbw/PowerShell,TravisEz13/PowerShell,PaulHigin/PowerShell,daxian-dbw/PowerShell,JamesWTruher/PowerShell-1,TravisEz13/PowerShell,daxian-dbw/PowerShell,TravisEz13/PowerShell