Move communication workbench to use resource store

Because it's getting better all the time, including by adding the
ability to get new resources when they get created over SSE.

ts/components/CommunicationColumnAction.vue

@@ -174,7 +174,7 @@ interface Emits {
 }
 interface Props {
 	isLoading: boolean;
-	selectedCommunication: Communication | null;
+	selectedCommunication: Communication | undefined;
 	selectedReport: PublicReport | undefined;
 }
 const emit = defineEmits<Emits>();