fix: cloud hypervisor auto starts (#920)

The Cloud Hypervisor provider wasn't marked with the auto start capability
and so when a new VM was created the **Start** method was called on the
provider which resulted in a error.

Signed-off-by: Richard Case <richard.case@outlook.com>

core/errors/errors.go

@@ -136,7 +136,7 @@ type notSupportedError struct {
 
 // Error returns the error message.
 func (e notSupportedError) Error() string {
-	return e.unsupported + "is not supported"
+	return e.unsupported + " is not supported"
 }
 
 // IsNotSupported tests an error to see if its a not supported error.

infrastructure/microvm/cloudhypervisor/provider.go

@@ -56,7 +56,7 @@ type provider struct {
 
 // Capabilities returns a list of the capabilities the provider supports.
 func (p *provider) Capabilities() models.Capabilities {
-	return []models.Capability{}
+	return []models.Capability{models.AutoStartCapability}
 }
 
 // Start will start a created microvm.