only handle requeue_after if the run is successful

[gaelgatelement]

Description of the change:
Handle nil presence in the event of failure.

Motivation for the change
If there's a fatal error on requeue_after for example due to a wrong call :

- operator_sdk.util.requeue_after:
  time: {}

The controller panics :

}
{"level":"info","ts":"2024-03-11T16:45:56Z","msg":"Observed a panic in reconciler: interface conversion: interface {} is nil, not string","controller":"elementdeployment-controller","object":{"name":"instance-fa8e320aa36f3185","namespace":"element-tests-fa8e32"},"namespace":"element-tests-fa8e32","name":"instance-fa8e320aa36f3185","reconcileID":"83f6b092-0335-42ba-ba7d-e15ae2f93e42"}
panic: interface conversion: interface {} is nil, not string [recovered]
        panic: interface conversion: interface {} is nil, not string

goroutine 164 [running]:
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Reconcile.func1()
        /go/pkg/mod/sigs.k8s.io/controller-runtime@v0.16.3/pkg/internal/controller/controller.go:116 +0x1e5
panic({0x192af60?, 0xc000e68900?})
        /usr/local/go/src/runtime/panic.go:770 +0x132
github.com/operator-framework/ansible-operator-plugins/internal/ansible/controller.(*AnsibleOperatorReconciler).Reconcile(0xc000134e10, {0x1e4ca28, 0xc000528330}, {{{0xc0004f9608?, 0x5?}, {0xc0004812a0?, 0xc000383d10?}}})
        ansible-operator-plugins/internal/ansible/controller/reconcile.go:194 +0x27e5
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Reconcile(0x1e51758?, {0x1e4ca28?, 0xc000528330?}, {{{0xc0004f9608?, 0xb?}, {0xc0004812a0?, 0x0?}}})
        /go/pkg/mod/sigs.k8s.io/controller-runtime@v0.16.3/pkg/internal/controller/controller.go:119 +0xb7
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).reconcileHandler(0xc0004c1860, {0x1e4ca60, 0xc0004beaa0}, {0x19ab0c0, 0xc000522020})
        /go/pkg/mod/sigs.k8s.io/controller-runtime@v0.16.3/pkg/internal/controller/controller.go:316 +0x3bc
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).processNextWorkItem(0xc0004c1860, {0x1e4ca60, 0xc0004beaa0})
        /go/pkg/mod/sigs.k8s.io/controller-runtime@v0.16.3/pkg/internal/controller/controller.go:266 +0x1be
sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Start.func2.2()
        /go/pkg/mod/sigs.k8s.io/controller-runtime@v0.16.3/pkg/internal/controller/controller.go:227 +0x79
created by sigs.k8s.io/controller-runtime/pkg/internal/controller.(*Controller).Start.func2 in goroutine 133
        /go/pkg/mod/sigs.k8s.io/controller-runtime@v0.16.3/pkg/internal/controller/controller.go:223 +0x50c