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

shared/styles/index.ts

@@ -22,9 +22,7 @@ export const ellipsis = () => `
  */
 export const s = (key: keyof DefaultTheme) => (props: {
   theme: DefaultTheme;
-}) => {
-  return String(props.theme[key]);
-};
+}) => String(props.theme[key]);
 
 /**
  * Mixin to hide scrollbars.