refactor: rename states to view controllers (#1060)

app/assets/javascripts/Controllers/Abstract/IsControllerDealloced.ts

@@ -0,0 +1,5 @@
+import { AbstractViewController } from './AbstractViewController'
+
+export function isControllerDealloced(state: AbstractViewController): boolean {
+  return state.dealloced == undefined || state.dealloced === true
+}