Fix unavailable ModelVersion warning

src/components/Process/Workers/WorkerRuns/WorkerRunWithParents.vue

@@ -28,7 +28,7 @@
               {{ workerRun.worker_version.state }}
             </div>
             <div
-              v-if="workerRun.model_vesion?.state !== 'available'"
+              v-if="hasUnavailableModelVersion"
               class="has-text-warning"
               title="This worker run uses an unavailable model version"
             >
@@ -174,6 +174,12 @@ export default {
     },
     versionStateClass () {
       return REVISION_STATE_COLORS[this.workerRun.worker_version.state]
+    },
+    /**
+     * Whether a model version is set, but is not available
+     */
+    hasUnavailableModelVersion () {
+      return this.workerRun.model_version && this.workerRun.model_version.state !== 'available'
     }
   },
   methods: {