Does this issue occur when all extensions are disabled?: Yes/No

• VS Code Version: 1.73.1
• OS Version: Windows 11

Steps to Reproduce:

Some context: I ran into the issue while working on a new kind of TypeScript completion entry, so I don't know if it happens for existing completions.
The TS version with the feature that triggers this problem can be found here: microsoft/TypeScript#50996 (comment)

1. In a TS file like this:

enum F {
    A,
    B,
    C,
}

declare const f: F;

switch (f) {
    case|
}

Select a multiline completion entry:

2. Notice that the suggestion preview text is not shown indented correctly, even though when the completion is accepted, the text is then indented correctly: