fix(frontend): more issues-related fixes (#2234)

* fix(frontend): more issues-related fixes

* fix: permission VIEW_ISSUES is also sufficient for viewing issues in slideover

* fix(frontend): only display issue notif types user is eligible to receive

* fix: don't display issues block in slideover if no open issues

* fix: move year out of link in issue details header

* fix: use 'view' global string for issue block button

* fix: issue/request/user list sort options

src/components/IssueList/IssueItem/index.tsx

@@ -183,7 +183,7 @@ const IssueItem: React.FC<IssueItemProps> = ({ issue }) => {
               {intl.formatMessage(messages.issuestatus)}
             </span>
             {issue.status === IssueStatus.OPEN ? (
-              <Badge badgeType="primary">
+              <Badge badgeType="warning">
                 {intl.formatMessage(globalMessages.open)}
               </Badge>
             ) : (