### Is there an existing issue for this?

- [X] I have searched the existing issues

### Current Behavior

DynamoDB does not correctly namespace resources based on region and account ID. 

For instance, using the same table name across accounts and regions throws an error.

### Expected Behavior

It must be possible to create resources with same name on different regions and/or different accounts.

### How are you starting LocalStack?

With a docker-compose file

### Steps To Reproduce

#### Client commands (e.g., AWS SDK code snippet, or sequence of "awslocal" commands)

```
  $ AWS_ACCESS_KEY_ID=445500880268 AWS_DEFAULT_REGION=eu-central-1 \
    awslocal dynamodb create-table --table-name CertificateTargets-local1 \
        --key-schema AttributeName=target_uuid,KeyType=HASH \
        --attribute-definitions AttributeName=target_uuid,AttributeType=S \
        --provisioned-throughput ReadCapacityUnits=1000,WriteCapacityUnits=1000

  $ AWS_ACCESS_KEY_ID=445500880268 AWS_DEFAULT_REGION=us-east-1 \
    awslocal dynamodb create-table --table-name CertificateTargets-local1 \
        --key-schema AttributeName=target_uuid,KeyType=HASH \
        --attribute-definitions AttributeName=target_uuid,AttributeType=S \
        --provisioned-throughput ReadCapacityUnits=1000,WriteCapacityUnits=1000

    # ResourceInUseException!

  $ AWS_ACCESS_KEY_ID=000000000000 \
    awslocal dynamodb create-table --table-name CertificateTargets-local1 \
        --key-schema AttributeName=target_uuid,KeyType=HASH \
        --attribute-definitions AttributeName=target_uuid,AttributeType=S \
        --provisioned-throughput ReadCapacityUnits=1000,WriteCapacityUnits=1000

    # ResourceInUseException!
```

### Environment

```markdown
OS: Ubuntu 22.04
LocalStack: latest
```


### Anything else?

_No response_
self,
        context: RequestContext,
        resource_arn: ResourceArnString,
        next_token: NextTokenString = None,
    ) -> ListTagsOfResourceOutput:
        result = [
            {"Key": k, "Value": v}
            for k, v in get_store(context).TABLE_TAGS.get(resource_arn, {}).items()
        ]
        return ListTagsOfResourceOutput(Tags=result)
    def describe_time_to_live(
        self, context: RequestContext, table_name: TableName
    ) -> DescribeTimeToLiveOutput:
        backend = get_store(context)
        ttl_spec = backend.ttl_specifications.get(table_name)
        result = {"TimeToLiveStatus": "DISABLED"}
        if ttl_spec:
            if ttl_spec.get("Enabled"):
                ttl_status = "ENABLED"
            else:
                ttl_status = "DISABLED"
            result = {
                "AttributeName": ttl_spec.get("AttributeName"),
                "TimeToLiveStatus": ttl_status,
            }
        return DescribeTimeToLiveOutput(TimeToLiveDescription=result)
    def update_time_to_live(