Implemented strict mode for the project (broken tests, hundreds of @ts-ignore and new errors are included) [skip ci]

packages/app/components/dev/apps/reducer.ts

@@ -3,7 +3,7 @@ import { OauthAppResponse } from 'app/services/api/oauth';
 import { Action } from './actions';
 
 export interface Apps {
-  available: OauthAppResponse[];
+  available: Array<OauthAppResponse>;
 }
 
 const defaults: Apps = {
@@ -42,8 +42,6 @@ export default function apps(state: Apps = defaults, action: Action): Apps {
           app => app.clientId !== action.payload,
         ),
       };
-
-    default:
   }
 
   return state;