more complex indexes to speedup get_ranked_posts methods

notice 30x speedups for get_ranged_posts trending/hot no slowdown noticed for other queries verified on DB with ~47mln of blocks

hive/db/db_state.py

@@ -107,12 +107,11 @@ class DbState:
             'hive_posts_payout_at_idx',
             'hive_posts_payout_idx',
             'hive_posts_promoted_idx',
-            'hive_posts_sc_trend_id_idx',
-            'hive_posts_sc_hot_id_idx',
+            'hive_posts_sc_trend_id_is_paidout_idx',
+            'hive_posts_sc_hot_id_is_paidout_idx',
             'hive_posts_block_num_idx',
             'hive_posts_cashout_time_id_idx',
             'hive_posts_updated_at_idx',
-            'hive_posts_is_paidout_idx',
             'hive_posts_payout_plus_pending_payout_id',
 
             'hive_votes_block_num_idx',