Fix null workerId and workerVersionId TS issues in worker configuration components

In components/Process/Workers/Configurations/List.vue the workerId and workerVersionId props are passed to components/Process/Workers/Configurations/Create.vue. These are required props for the configuration creation component, which is (unless I'm mistaken) only ever used in this Configurations/List component. They are computed like this:

    workerId () {
      if (this.workerVersion !== null) {
        return this.workerVersion.worker.id
      } else {
        return this.workerRun?.worker_version?.worker?.id
      }
    },
    workerVersionId () {
      if (this.workerVersion !== null) {
        return this.workerVersion.id
      } else {
        return this.workerRun?.worker_version?.id
      }
    },

I think the conditions should be written differently because these can't actually ever be null: Configurations/List is used in two components and always has either a workerVersion or a workerRun set. Probably making the else else if this.workerRun !== null would work.