Update sql to use defaults.

Author: RohitBhati8269

web/pgadmin/browser/server_groups/servers/databases/schemas/tables/templates/columns/sql/default/nodes.sql

@@ -1,7 +1,6 @@
 SELECT DISTINCT att.attname as name, att.attnum as OID, pg_catalog.format_type(ty.oid,NULL) AS datatype,
 att.attnotnull as not_null,
-CASE WHEN att.atthasdef OR att.attidentity != '' THEN True
-WHEN ty.typdefault IS NOT NULL THEN True
+CASE WHEN att.atthasdef OR att.attidentity != '' OR ty.typdefault IS NOT NULL THEN True
 ELSE False END as has_default_val, des.description, seq.seqtypid
 FROM pg_catalog.pg_attribute att
     JOIN pg_catalog.pg_type ty ON ty.oid=atttypid