Fix concept note & proposal both appearing in user's dashboard (#4655)

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Fixes #4651. Removes duplicate applications (concept note/proposal) from
the user dashboard. Thanks for the fix suggestion @frjo!


## Test Steps
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 - [ ] As an applicant, submit a concept note
 - [ ] As staff, invite said application to proposal
- [ ] As previous applicant, ensure only the proposal shows up on the
dashboard

Author: wes-otf

hypha/apply/dashboard/views_partials.py

@@ -17,6 +17,7 @@ def my_active_submissions(user):
         .annotate(
             is_active=Case(When(status__in=active_statuses, then=True), default=False)
         )
+        .current()
         .select_related("draft_revision")
         .order_by("-is_active", "-submit_time")
         .distinct()