[RFE] during import cluster auto detect microshift vendor/version

[wangjun1974]

MicroShift is a project that is exploring how OpenShift and Kubernetes can be optimized for small form factor and edge computing.

• https://microshift.io/docs/home/
• https://microshift.io/docs/getting-started/

microshift is currently recognized as OpenShiftV3 when registering a cluster. This affects Observability to install monitoring stack for microshift.