TSL: Export shadowWorldPosition (#30129)

* Export shadowWorldPosition from TSL

I think this is missing from #30060?

* Single quotes

Author: Methuselah96

src/nodes/TSL.js

@@ -131,6 +131,7 @@ export * from './gpgpu/AtomicFunctionNode.js';
 export * from './accessors/Lights.js';
 export * from './lighting/LightsNode.js';
 export * from './lighting/LightingContextNode.js';
+export * from './lighting/ShadowBaseNode.js';
 export * from './lighting/ShadowNode.js';
 export * from './lighting/PointLightNode.js';