Bug fix - filterexpression with contains

commit c5b508da 
Author: Rucha Deshpande <deshruch@amazon.com> 
Date: Tue Jan 26 2021 15:48:43 GMT-0600 (Central Standard Time) 

    bug fix - filter expression for contains

src/cloud/providers/aws/dynamodb.ts

@@ -159,7 +159,7 @@ export class AWSDynamoDbDAO extends AbstractJournal {
     }
 
     public getQueryFilterSymbolContains(): string {
-        return 'contains';
+        return 'CONTAINS';
     }
 }