`delete_records_before` errors if table missing `__createdtime__`

### Bug Summary

Fails to bulk delete records if table doesn't have `__createdtime__`

### Reproduction Repository (if applicable)

_No response_

### Steps to Reproduce

Send a POST request with `operation: 'delete_records_before', date: new Date().toISOString()` and you'll see the following in the Harper logs:
```
[job/60] [error]: ClientError: Table must have a '__createdtime__' attribute or @createdTime timestamp defined to perform this operation
at ResourceBridge.deleteRecordsBefore (harper/dataLayer/harperBridge/ResourceBridge.ts:309:10)
at OperationFunctionObject.deleteFilesBefore (/harper/dataLayer/delete.js:69:35)
at job (/harper/server/jobs/jobProcess.js:57:35) {
statusCode: 400
}
```
The table is created using a GraphQL schema.

### Expected Behavior

Delete all records before a specific date.

### Actual Behavior

Returns error and does not delete any records.

### Platform

Harper 5.0.14

### Console Errors

_No response_

### Screenshots or Videos

_No response_

### Additional Context

_No response_

### Are you planning to fix this issue?

No, just reporting the issue

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