Add a check if devworkspace engine is disabled before devfile 2.x schema validation

[skabashnyuk]

Is your task related to a problem? Please describe

Users got an error if devwoorkspace engine is not enabled

Failed to create a workspace. Failed to create a new workspace from the devfile, reason: Devfile schema validation failed. Error: Exactly one of the following sets of problems must be resolved.: [(/components/1):The object must have a property whose name is "container".(/components/1):The object must have a property whose name is "kubernetes".(/components/1):The object must have a property whose name is "openshift".(/components/1):The object must have a property whose name is "volume".(/components/1):The object must have a property whose name is "plugin".]

Describe the solution you'd like

Before devfile 2.x schema validation throw an error (400 Badrequest) if devworkspace engine is disabled

Describe alternatives you've considered

No response

Additional context

https://issues.redhat.com/browse/CRW-2121