Only allow selecting available worker versions

src/components/Process/Workers/Versions/Row.vue

@@ -98,9 +98,9 @@ export default {
       return ago(new Date(date))
     },
     async addWorkerRun () {
-      if (!this.selectable) return
+      if (!this.selectable || !this.isAvailable) return
       this.$emit('selected-version', this.version)
-      if (this.loading || !this.processId || !this.isAvailable) return
+      if (this.loading || !this.processId) return
       this.loading = true
       try {
         await this.createWorkerRun({ processId: this.processId, workerRun: { worker_version_id: this.version.id, parents: [] } })
@@ -111,7 +111,7 @@ export default {
       }
     },
     async rmWorkerRun () {
-      if (this.loading || !this.processId || !this.isAvailable) return
+      if (!this.selectable || this.loading || !this.processId || !this.isAvailable) return
       this.loading = true
       try {
         const workerRun = Object.values(this.processWorkerRuns[this.processId]).find(run => run.worker_version_id === this.version.id)