[VMware vSphere]: Field type conflict with System package

### Integration Name

VMware vSphere [vsphere]

### Dataset Name

vsphere.host

### Integration Version

1.18.2

### Agent Version

8.17.3

### Agent Output Type

logstash

### Elasticsearch Version

8.17.3

### OS Version and Architecture

RHEL 9.5

### Software/API Version

_No response_

### Error Message


### Event Original

_No response_

### What did you do?

Installed both integrations

### What did you see?

There is a field conflict between the two integrations. It is because the vSphere integration uses a `.bytes` field suffix for it's metrics.

### What did you expect to see?

They both use the same field to store the data and not cause conflicts.

### Anything else?

As far as I can tell, it's supposed to be stored at the "root" field, aka without the `.bytes` suffix.
There is also no ECS field reference for the `system.*` metricset that I could find, the only thing I found was a reference set for [metricbeat](https://www.elastic.co/docs/reference/beats/metricbeat/metricbeat-metricset-system-memory).
Also the chosen integration is Carbon Black because there is no vSphere in the dropdown menu.