### 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_
throttled = [f"{ACTION_PREFIX}{a}" for a in actions]
        return (action in throttled) or (action in actions)
    def should_throttle(self, action):
        rand = random.random()
        if rand < config.DYNAMODB_READ_ERROR_PROBABILITY and self.action_should_throttle(
            action, READ_THROTTLED_ACTIONS
        ):
            return True
        elif rand < config.DYNAMODB_WRITE_ERROR_PROBABILITY and self.action_should_throttle(
            action, WRITE_THROTTLED_ACTIONS
        ):
            return True
        elif rand < config.DYNAMODB_ERROR_PROBABILITY and self.action_should_throttle(
            action, THROTTLED_ACTIONS
        ):
            return True
        return False
def _get_size_bytes(item) -> int:
    try:
        size_bytes = len(json.dumps(item))
    except TypeError:
        size_bytes = len(str(item))
    return size_bytes
def get_global_secondary_index(table_name, index_name):
    schema = SchemaExtractor.get_table_schema(table_name)
    for index in schema["Table"].get("GlobalSecondaryIndexes", []):
        if index["IndexName"] == index_name:
            return index
    raise ResourceNotFoundException("Index not found")
def is_local_secondary_index(table_name, index_name) -> bool: