fix: null pointer condition

In case the backup config is not present the value might be null and
fails. The new condition handles it.

Signed-off-by: Ales Raszka <araszka@redhat.com>

Author: Allda

pkg/library/env/workspaceenv.go

@@ -57,7 +57,8 @@ func GetEnvironmentVariablesForProjectRestore(workspace *common.DevWorkspaceWith
 		Name:  devfileConstants.ProjectsRootEnvVar,
 		Value: constants.DefaultProjectsSourcesRoot,
 	})
-	if workspace.Config.Workspace.BackupCronJob.OrasConfig != nil {
+	if workspace.Config.Workspace.BackupCronJob != nil &&
+		workspace.Config.Workspace.BackupCronJob.OrasConfig != nil {
 		restoreEnv = append(restoreEnv, corev1.EnvVar{
 			Name:  "ORAS_EXTRA_ARGS",
 			Value: workspace.Config.Workspace.BackupCronJob.OrasConfig.ExtraArgs,