Fixes 500 error when org member tries to view revisions list page.

Fix org access checker for ListProposalRevisions:

Use PROPOSAL_REVIEW_AS_ORG_MEMBER_ACCESS_CHECKER instead of the
PROPOSAL_REVISION variant, because the PROPOSAL_REVISION variant expects the
fields to be named differently.

Change-Id: I6ef5f8f6544d6eb03e6824b72bb900c06e18d5b3
1 file changed