Version Used: VS 18.0.0 Insiders

Steps to Reproduce:

1. Invoke "Move static members to another type" on the I field.
2. Open the dropdown in the dialog.

static class SC
{
    public static readonly int I = 0;
}

static class C;

Expected Behavior:

Actual Behavior:
The dropdown items are not readable.

The text of an item will become readable once you select it.