VS QuickInfo is not fully displayed in main

[vzarytovskii]

17.7p3 (and F# main) cuts quick info in script:

How it was before:

Might be related to #14995

[majocha]

Looks like this is not quickinfo but a param hint. AFAIK we do nothing fancy with those, so it's possibly VS bug.

I tried to repro this on 17.7 preview 1:
QuickInfo (on mouse over):

Param hint (value param in bold after hitting space):

[majocha]

I'd add that the displayed text is not optimal. We do have param docs like
/// <param name="value">The input value.</param>
but it just displays the summary instead:
/// <summary>Square root of the given number</summary>