### Is there an existing issue for this?

- [X] I have searched the existing issues

### Current Behavior

Calling `describeTimeToLive` to a non-existent table returns a result rather than throwing resource not found.

Test case pseudo-code:
```
try {
  dynamo.describeTimeToLive(new DescribeTimeToLiveRequest()
         .withTableName("non-existent-table"));
  fail();
} catch (ResourceNotFoundException ex) {
  // Pass
}
```

### Expected Behavior

Expecting call to throw 

### How are you starting LocalStack?

Custom (please describe below)

### Steps To Reproduce

#### How are you starting localstack (e.g., `bin/localstack` command, arguments, or `docker-compose.yml`)

    TestContainers from Java

### Environment

```markdown
- OS: MacOS
- LocalStack: 2.2.0
```


### Anything else?

_No response_
"""
        Modify the Credentials field of Authorization header to achieve namespacing in DynamoDBLocal.
        """
        region_name = DynamoDBProvider.ddb_region_name(region_name)
        key = DynamoDBProvider.ddb_access_key(account_id, region_name)
        
        
        
        headers["Authorization"] = re.sub(
            AUTH_CREDENTIAL_REGEX,
            rf"Credential={key}/\2/{region_name}/\4/",
            headers.get("Authorization") or "",
            flags=re.IGNORECASE,
        )
    def fix_consumed_capacity(self, request: Dict, result: Dict):