fix: use declare global React.JSX.IntrinsicElements to fix R3F+React19+Next15 type errors

Author: DHANUSHGCODE

frontend/react-three-fiber.d.ts

@@ -1,7 +1,9 @@
 import { ThreeElements } from '@react-three/fiber';
 
-declare module 'react' {
-  namespace JSX {
-    interface IntrinsicElements extends ThreeElements {}
+declare global {
+  namespace React {
+    namespace JSX {
+      interface IntrinsicElements extends ThreeElements {}
+    }
   }
 }