fix: regex to get default value

Signed-off-by: mertmit <mertmit99@gmail.com>

packages/nocodb/src/db/sql-client/lib/pg/PgClient.ts

@@ -891,7 +891,7 @@ class PGClient extends KnexClient {
         // column['unique'] = response.rows[i]['cst'].indexOf('UNIQUE') === -1 ? false : true;
 
         column.cdf = response.rows[i].cdf
-          ? response.rows[i].cdf.replace(/::\w+$/, '').replace(/^'|'$/g, '')
+          ? response.rows[i].cdf.replace(/::[\w ]+$/, '').replace(/^'|'$/g, '')
           : response.rows[i].cdf;
 
         // todo : need to find column comment