MM-34895: fix test from PR that went in earlier (#17678)

store/storetest/thread_store.go

@@ -337,7 +337,7 @@ func testThreadStorePopulation(t *testing.T, ss store.Store) {
 
 	t.Run("Updating post does not make thread unread", func(t *testing.T) {
 		newPosts := makeSomePosts()
-		m, err := ss.Thread().MaintainMembership(newPosts[0].UserId, newPosts[0].Id, true, false, true, true, false)
+		m, err := ss.Thread().MaintainMembership(newPosts[0].UserId, newPosts[0].Id, true, false, true, false, false)
 		require.NoError(t, err)
 		th, err := ss.Thread().GetThreadForUser(newPosts[0].UserId, "", newPosts[0].Id, false)
 		require.NoError(t, err)