New 'View All' Section on Email Inbox

We have added a brand new section to the Email Inbox view called 'All emails'. This lets you see all emails belonging to work items, including closed work items, that you have permissions on.
We have added an additional filter in this section that lets you filter emails by the status of the work item they belong to.
By default, emails received within the past 90 DAYS are displayed. Agents can use the Filter dropdown to select a different (e.g. older) date or date range to see emails older than this, but note that the date range specified can only span a maximum of 90 days.