RENDER FIX grass now doesnt receive ao so it looks now correct

Author: zardoy

renderer/viewer/lib/mesher/models.ts

@@ -647,7 +647,7 @@ export function getSectionGeometry (sx: number, sy: number, sz: number, world: W
             // #endregion
 
             for (const element of model.elements ?? []) {
-              const ao = model.ao ?? true
+              const ao = model.ao ?? block.boundingBox !== 'empty'
               if (block.transparent) {
                 const pos = cursor.clone()
                 delayedRender.push(() => {

renderer/viewer/lib/mesher/world.ts

@@ -239,7 +239,7 @@ export class World {
   }
 
   shouldMakeAo (block: WorldBlock | null) {
-    return block?.isCube && !ignoreAoBlocks.includes(block.name)
+    return block?.isCube && !ignoreAoBlocks.includes(block.name) && block.boundingBox !== 'empty'
   }
 }