The entire expression is faded when LSP pull diagnostics are on

[jasonmalinowski]

Version Used: 17.3 Preview 6

Steps to Reproduce:

1. Enable LSP diagnostics.
2. Write something like:

int x = (41 + 1);
Console.WriteLine(x);

3. Look for fading.

Expected Behavior: Just the parenthesis are faded as unnecessary.

Actual Behavior: The entire expression is faded: