Show-UDToast does not display icon

Describe the Issue

When using the -Icon and -IconColor parameters on the Show-UDToast cmdlet, the icons do not appear as part of the toast. The toast element appears to make the space for the icon, but does not actually display an icon.

To Reproduce

Steps to reproduce the behavior:

Call the Show-UDToast cmdlet and use the -Icon (and, optionally, -IconColor) parameter(s)

Expected behavior

The toast message shows an icon in the message

Screenshots

Script Sample

$Dashboard = New-UDDashboard -Title "Toast Icon Issue Demo" -Content {
    New-UDButton -Text "Click me to show a toast!" -OnClick {
        Show-UDToast -Message "Success!" -Icon check_circle -IconColor green -Duration 10000
    }
}

Start-UDDashboard -Dashboard $Dashboard -Port 10001

Version Information

Operating System: Windows 10 Pro v1803 (build 17134.1069)
PowerShell Version: 5.1.17134.858
Universal Dashboard Version: 2.7.0
UD Hosting Method: PowerShell

Additional context

It looks like UD is generating the correct HTML and applying the styles for the icon successfully, it's just not displaying:

I am using Chrome v78.0.3904.97

ironmansoftware / universal-dashboard