bug: Fixed payload written to influxdb 2

[czarekk215]

What dose this pr do?

This pr fixes bug pointed in issue #302

How was this pr tested?

• Data was published from a ROS2 publisher using the ROS2DDS plugin, stored in the database, and later retrieved from InfluxDB 2 for deserialization.

Before update:

Message deserialization error

After update

Hello World

[github-actions]

PR missing one of the required labels: {'breaking-change', 'documentation', 'bug', 'internal', 'enhancement', 'new feature', 'dependencies'}