e2e: Added back webgl_nodes_material_standard to exception list.

test/e2e/puppeteer.js

@@ -32,6 +32,7 @@ const exceptionList = [
 	'webgl_loader_texture_lottie', // not sure why this fails
 	'webgl_loader_texture_pvrtc', // not supported in CI, useless
 	'webgl_morphtargets_face', // To investigate...
+	'webgl_nodes_materials_standard', // puppeteer does not support import maps yet
 	'webgl_postprocessing_crossfade', // fails for some misterious reason
 	'webgl_raymarching_reflect', // exception for Github Actions
 	'webgl_test_memory2', // gives fatal error in puppeteer