fix: columns w/ dollar sign($) don't need quoting

test/spec/fixtures/data.sql

@@ -800,3 +800,6 @@ INSERT INTO shop_bles(id, name, coords, shop_id, range_area) VALUES(2, 'Beacon-2
 
 TRUNCATE TABLE "SPECIAL ""@/\#~_-".names CASCADE;
 INSERT INTO "SPECIAL ""@/\#~_-".names (id, name) VALUES (1, 'John'), (2, 'Mary');
+
+TRUNCATE TABLE do$llar$s CASCADE;
+INSERT INTO do$llar$s (a$num$) VALUES (100), (200), (300);

test/spec/fixtures/privileges.sql

@@ -194,6 +194,7 @@ GRANT ALL ON TABLE
     , shops
     , shop_bles
     , "SPECIAL ""@/\#~_-".names
+    , do$llar$s
 TO postgrest_test_anonymous;
 
 GRANT INSERT ON TABLE insertonly TO postgrest_test_anonymous;

test/spec/fixtures/schema.sql

@@ -2685,3 +2685,7 @@ $$ LANGUAGE sql;
 CREATE FUNCTION test.special_extended_schema(val text) RETURNS text AS $$
   SELECT get_val_special(val);
 $$ LANGUAGE sql;
+
+CREATE TABLE do$llar$s (
+  a$num$ numeric
+);