Resolve "Subscription routing is broken"

Closes #144 (closed)

frontend/src/store/modules/subscriptions.ts

@@ -9,7 +9,7 @@ import { getStoreBuilder, BareActionContext } from 'vuex-typex'
 
 export interface SubscriptionsState {
   subscriptions: {[pk: string]: Subscription}
-  currentAssignment: Assignment | undefined
+  currentAssignment?: Assignment
   loading: boolean
 }