Runaway query when searching for Available + Book Items

/instance-storage/instances?query=(item.materialTypeId=="025ba2c5-5e96-4667-a677-8186463aee69"+and+item.status.name=="Available")+sortby+title&limit=100&offset=0

WITH  headrecords AS (   
	SELECT jsonb, (lower(f_unaccent(jsonb->>'title')) ) AS data_column FROM fs09000000_mod_inventory_storage.instance   
	WHERE ((instance.id IN  ( 
		SELECT instanceId FROM holdings_record WHERE holdings_record.id IN  ( 
			SELECT holdingsRecordId FROM item WHERE materialTypeId='025ba2c5-5e96-4667-a677-8186463aee69'))) 
		AND (instance.id IN  ( 
			SELECT instanceId FROM holdings_record WHERE holdings_record.id IN  ( 
				SELECT holdingsRecordId FROM item WHERE lower(f_unaccent(item.jsonb->'status'->>'name')) 
				LIKE lower(f_unaccent('Available'))))))     
	AND left(lower(f_unaccent(jsonb->>'title')) ,600) < ( 
		SELECT left(lower(f_unaccent(jsonb->>'title')) ,600)
		FROM fs09000000_mod_inventory_storage.instance
		ORDER BY left(lower(f_unaccent(jsonb->>'title')) ,600)                
		OFFSET 10000 LIMIT 1
		)   
	ORDER BY left(lower(f_unaccent(jsonb->>'title')) ,600)    
		LIMIT 100 OFFSET 0 ),  
	
	allrecords AS (   
		SELECT jsonb, lower(f_unaccent(jsonb->>'title'))  AS data_column FROM fs09000000_mod_inventory_storage.instance   
		WHERE ((instance.id IN  ( 
			SELECT instanceId FROM holdings_record WHERE holdings_record.id IN  ( 
				SELECT holdingsRecordId FROM item WHERE materialTypeId='025ba2c5-5e96-4667-a677-8186463aee69'))) 
			AND (instance.id IN  ( 
				SELECT instanceId FROM holdings_record WHERE holdings_record.id IN  ( 
					SELECT holdingsRecordId FROM item WHERE lower(f_unaccent(item.jsonb->'status'->>'name')) 
					LIKE lower(f_unaccent('Available'))))))     
		AND (SELECT COUNT(*) FROM headrecords) < 100 ), 
	
	totalCount AS (
		SELECT fs09000000_mod_inventory_storage.count_estimate('  
			SELECT lower(f_unaccent(jsonb->>''title''))  AS data_column   
			FROM fs09000000_mod_inventory_storage.instance
			WHERE (instance.id IN( 
				SELECT instanceId FROM holdings_record WHERE holdings_record.id IN  (
					SELECT holdingsRecordId FROM item WHERE materialTypeId=''025ba2c5-5e96-4667-a677-8186463aee69''))) 
			AND (instance.id IN  ( 
				SELECT instanceId FROM holdings_record WHERE holdings_record.id IN  ( 
					SELECT holdingsRecordId 
					FROM item 
					WHERE lower(f_unaccent(item.jsonb->''status''->>''name'')) 
					LIKE lower(f_unaccent(''Available'')))))') AS count) 
	
	SELECT jsonb, data_column, (SELECT count FROM totalCount) FROM headrecords
	WHERE (SELECT COUNT(*) FROM headrecords) >= 100 UNION (
		SELECT jsonb, data_column, (SELECT count FROM totalCount)
		FROM allrecords
		ORDER BY data_column
		LIMIT 100 OFFSET 0 ) 
	ORDER BY data_column