Filter conference proposals in the review page

Author: kracekumar

junction/proposals/views.py

@@ -271,7 +271,8 @@ def proposals_to_review(request, conference_slug):
         'proposal_type', 'proposal_section', 'conference', 'author',
     ).filter(conference=conference).filter(status=ProposalStatus.PUBLIC)
     psr = ProposalSectionReviewer.objects.filter(
-        conference_reviewer__reviewer=request.user)
+        conference_reviewer__reviewer=request.user,
+        conference_reviewer__conference=conference)
     proposal_reviewer_sections = [p.proposal_section for p in psr]
     proposal_sections = conference.proposal_sections.all()
     proposal_types = conference.proposal_types.all()