[Controller] Crash after deleting Ingress

Summary

If you delete an Ingress from the cluster, the Operator tries to restore it and runs into this error:

2021-09-16T21:49:31.314Z        DEBUG   controllers.GitLab      creating ingress        {"gitlab": "gitlab.gitlab-system", "namespace": "gitlab-system", "ingress": "gitlab-registry"}
2021-09-16T21:49:31.324Z        ERROR   controller-runtime.manager.controller.gitlab    Reconciler error        {"reconciler group": "apps.gitlab.com", "reconciler kind": "GitLab", "name": "gitlab", "namespace": "gitlab-system", "error": "resourceVersion should not be set on objects to be created"}
github.com/go-logr/zapr.(*zapLogger).Error
        /go/pkg/mod/github.com/go-logr/zapr@v0.2.0/zapr.go:132
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).reconcileHandler
        /go/pkg/mod/sigs.k8s.io/controller-runtime@v0.8.3/pkg/internal/controller/controller.go:302
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).processNextWorkItem
        /go/pkg/mod/sigs.k8s.io/controller-runtime@v0.8.3/pkg/internal/controller/controller.go:253
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Start.func1.2
        /go/pkg/mod/sigs.k8s.io/controller-runtime@v0.8.3/pkg/internal/controller/controller.go:216
k8s.io/apimachinery/pkg/util/wait.JitterUntilWithContext.func1
        /go/pkg/mod/k8s.io/apimachinery@v0.20.2/pkg/util/wait/wait.go:185
k8s.io/apimachinery/pkg/util/wait.BackoffUntil.func1
        /go/pkg/mod/k8s.io/apimachinery@v0.20.2/pkg/util/wait/wait.go:155
k8s.io/apimachinery/pkg/util/wait.BackoffUntil
        /go/pkg/mod/k8s.io/apimachinery@v0.20.2/pkg/util/wait/wait.go:156
k8s.io/apimachinery/pkg/util/wait.JitterUntil
        /go/pkg/mod/k8s.io/apimachinery@v0.20.2/pkg/util/wait/wait.go:133
k8s.io/apimachinery/pkg/util/wait.JitterUntilWithContext
        /go/pkg/mod/k8s.io/apimachinery@v0.20.2/pkg/util/wait/wait.go:185
k8s.io/apimachinery/pkg/util/wait.UntilWithContext
        /go/pkg/mod/k8s.io/apimachinery@v0.20.2/pkg/util/wait/wait.go:99

If you delete the Controller pod, it is able to reconcile the Ingress in the next reconcile loop.