Next.js 16, React 19.2, Identities page, Invitations identities step, PNPM Catalogs (#381)

* Upgraded to Next.js 16
* Refactored code to comply with React 19.2 ESLint rules
* Refactored some useEffect usages with the new useEffectEvent
* Added Identities page and added second step to set up an identity after accepting an invitation
* Updated all dependencies
* Introduced PNPM catalogs for some frequently updated dependencies
* Bugs fixing and improvements

apps/web/app/(marketing)/_components/site-header-account-section.tsx

@@ -21,10 +21,12 @@ const ModeToggle = dynamic(
   { ssr: false },
 );
 
-const MobileModeToggle = dynamic(() =>
-  import('@kit/ui/mobile-mode-toggle').then((mod) => ({
-    default: mod.MobileModeToggle,
-  })),
+const MobileModeToggle = dynamic(
+  () =>
+    import('@kit/ui/mobile-mode-toggle').then((mod) => ({
+      default: mod.MobileModeToggle,
+    })),
+  { ssr: false },
 );
 
 const paths = {