This expands a specific link in a specific menu of Workboard Columns.
You may never notice this difference unless you like to open links in another tab.
If you go to a Workboard, and you open its context menu, and you hover your mouse on the
Create Task action, you see this URL or a similar one:
After this change, you see this URL or a similar one:
You see that the PhutilURI class was used to add the Project slug to the 'tags' query param so
that users can still open the URL in a new tab and have the form prefilled with the Project Tag.