Assorted cleanup, minor bug fixes, styling fixes, eslint rules (#5165

* fix: Logic error in toast
fix: Remove useless component

* fix: Logout not clearing all stores

* Add icons to notification settings

* Add eslint rule to enforce spaced comment

* Add eslint rule for arrow-body-style

* Add eslint rule to enforce self-closing components

* Add menu to api key settings
Fix: Deleting webhook subscription does not remove from UI
Split webhook subscriptions into active and inactive
Styling updates

app/models/Collection.ts

@@ -209,19 +209,14 @@ export default class Collection extends ParanoidModel {
   }
 
   @action
-  star = async () => {
-    return this.store.star(this);
-  };
+  star = async () => this.store.star(this);
 
   @action
-  unstar = async () => {
-    return this.store.unstar(this);
-  };
+  unstar = async () => this.store.unstar(this);
 
-  export = (format: FileOperationFormat) => {
-    return client.post("/collections.export", {
+  export = (format: FileOperationFormat) =>
+    client.post("/collections.export", {
       id: this.id,
       format,
     });
-  };
 }