Add improved query for allSynonyms

This query works with views with subselects, and it's a lot faster,
on a complex schema the previous query was taking around 8 mins,
this query takes less than half a second(403.072 ms).

Also reorder view embedding tests

test/fixtures/privileges.sql

@@ -82,6 +82,8 @@ GRANT ALL ON TABLE
     , "UnitTest"
     , json_arr
     , jsonb_test
+    , authors_books_number
+    , authors_have_book_in_decade
 TO postgrest_test_anonymous;
 
 GRANT INSERT ON TABLE insertonly TO postgrest_test_anonymous;