feat: Visually differentiate unread documents (#1507)

* feat: Visually differentiate unread documents

* feat: add document treatment in document preview

* fix requested changes

Co-authored-by: Tom Moor <tom.moor@gmail.com>

app/stores/BaseStore.js

@@ -114,7 +114,7 @@ export default class BaseStore<T: BaseModel> {
   }
 
   @action
-  async delete(item: T, options?: Object = {}) {
+  async delete(item: T, options: Object = {}) {
     if (!this.actions.includes("delete")) {
       throw new Error(`Cannot delete ${this.modelName}`);
     }
@@ -132,7 +132,7 @@ export default class BaseStore<T: BaseModel> {
   }
 
   @action
-  async fetch(id: string, options?: Object = {}): Promise<*> {
+  async fetch(id: string, options: Object = {}): Promise<*> {
     if (!this.actions.includes("info")) {
       throw new Error(`Cannot fetch ${this.modelName}`);
     }

app/stores/DocumentsStore.js

@@ -399,7 +399,7 @@ export default class DocumentsStore extends BaseStore<Document> {
   @action
   fetch = async (
     id: string,
-    options?: FetchOptions = {}
+    options: FetchOptions = {}
   ): Promise<?Document> => {
     if (!options.prefetch) this.isFetching = true;