Replace the Helm hook approach with programmatic PackageSource creation
in the operator startup sequence. Helm hooks are unsuitable for persistent
resources like PackageSource because before-hook-creation policy causes
cascade deletion of owned ArtifactGenerators during upgrades.
The operator now creates the platform PackageSource after installing CRDs
and the Flux source resource, using the same create-or-update pattern as
installPlatformSourceResource(). The sourceRef.kind is derived from the
platform source URL (OCIRepository for oci://, GitRepository for git).
Also fix stale comment in e2e test referencing deleted crds/ directory.
Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Aleksei Sviridkin <f@lex.la>
655133b81c