Render new lines in suggest widget details

<!-- ⚠️⚠️ Do Not Delete This! feature_request_template ⚠️⚠️ --> <!-- Please read our Rules of Conduct: https://opensource.microsoft.com/codeofconduct/ --> <!-- Please search existing issues to avoid creating duplicates. --> <!-- Describe the feature you'd like. --> In reference to the refinement here: https://github.com/microsoft/vscode/issues/109717#issuecomment-719440817 The details view in the suggest widget no longer shows the line breaks that the text authors intended for us to see. I think it should work like the mouse over hover text where it breaks the line up if it gets too long but also shows the actual line breaks in the text. See this example: