C# Attributes - Mulitple line display collapse

[vsfeedback]

It would be great if VS allowed us to collapse Attributres that are formatted on multiple rows to be collapsed down to 1 row and expanded. Include a "Collapse/Expand All" context menu option.

This issue has been moved from https://developercommunity.visualstudio.com/content/idea/363473/c-attributes-mulitple-line-display-collapse.html
VSTS ticketId: 712432
These are the original issue comments:

Fiona Niu[MSFT] on 10/22/2018, 06:34 PM (10 days ago):

Thank you for taking the time to provide your suggestion. We will do some preliminary checks to make sure we can proceed further. You will hear from us in about a week on our next steps.

Kendra Havens [MSFT] on 10/31/2018, 00:24 PM (46 hours ago):

Your suggestion has been queued up for prioritization. Feature suggestions are prioritized based on the value to our broader developer community and the product roadmap. We may not be able to pursue this one immediately, but we will continue to monitor it up to 90 days for community input

[jinujoseph]

related to https://github.com/dotnet/roslyn/issues/30931