Fix conflict of deploying KubeVirt Instancetypes (#691)

We have common-instance-types deployed by kubevirt-operator and separate
helm-chart.
In this case operator always overrides the resource by default ones.

This PR disables common-instance-types deployment for kubevirt-operator

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **Chores**
- Updated the package’s internal identifier to enhance consistency
across integration points.

- **New Features**
- Introduced a new configuration option that enables a deployment toggle
for managing instance types (disabled by default).

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/system/kubevirt-instancetypes/Makefile

@@ -1,4 +1,4 @@
-export NAME=kubevirt-common-instancetypes
+export NAME=kubevirt-instancetypes
 export NAMESPACE=cozy-kubevirt
 
 include ../../../scripts/package.mk

packages/system/kubevirt/templates/kubevirt-cr.yaml

@@ -7,6 +7,8 @@ metadata:
 spec:
   certificateRotateStrategy: {}
   configuration:
+    commonInstancetypesDeployment:
+      enabled: false
     developerConfiguration:
       featureGates:
       - HotplugVolumes