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/components/DocumentBreadcrumb.tsx

@@ -131,7 +131,7 @@ const SmallSlash = styled(GoToIcon)`
   vertical-align: middle;
   flex-shrink: 0;
 
-  fill: ${(props) => props.theme.slate};
+  fill: ${(props) => props.theme.textTertiary};
   opacity: 0.5;
 `;