Oracle sink cannot be resumed when date columns are used

## Describe the bug

Cannot resume oracle sink because for second run dozer throws incompatible type error

dozer-config.yaml part
```
app_name: aerospike-oracle
version: 1
connections:

- config: !Aerospike
hosts: localhost:3000
namespace: test
sets:
- transactions_denorm
schemas: !Inline |
{
"transactions_denorm": {
"schema": {
"primary_index": [0, 1],
"fields": [
{
"name": "IDN",
"typ": "String",
"nullable": false
},
{
"name": "MOBILENO",
"typ": "String",
"nullable": false
},
{
"name": "TRAN_ID",
"typ": "String",
"nullable": false
},
{
"name": "TRAN_DATE",
"typ": "Date",
"nullable": false
},
```