pagescene: prettier on the disposal helper and specs

frontend/libs/components/pagescene/src/lib/engine/disposeObject3D.ts

@@ -33,7 +33,9 @@ export function disposeObject3D(root: THREE.Object3D): void {
 
 // Every texture the tree's materials reference, as material properties or
 // ShaderMaterial uniforms, deduplicated.
-export function collectObjectTextures(root: THREE.Object3D): Set<THREE.Texture> {
+export function collectObjectTextures(
+  root: THREE.Object3D,
+): Set<THREE.Texture> {
   return collectMaterialTextures(collectMaterials(root));
 }
 

frontend/libs/components/pagescene/src/lib/engine/scene.spec.ts

@@ -151,7 +151,10 @@ function makeScene(): Scene {
 
 // Scene only tracks Water instances by identity; a plain mesh stands in.
 function waterLikeMesh(): THREE.Mesh {
-  return new THREE.Mesh(new THREE.PlaneGeometry(), new THREE.MeshBasicMaterial());
+  return new THREE.Mesh(
+    new THREE.PlaneGeometry(),
+    new THREE.MeshBasicMaterial(),
+  );
 }
 
 // jsdom does not implement media playback, so stub the calls stopVideo makes.