Default to 30 animation fps for better quality.

Author: fire

editor/import/resource_importer_scene.cpp

@@ -1428,7 +1428,7 @@ void ResourceImporterScene::get_import_options(List<ImportOption> *r_options, in
 	r_options->push_back(ImportOption(PropertyInfo(Variant::FLOAT, "meshes/lightmap_texel_size", PROPERTY_HINT_RANGE, "0.001,100,0.001"), 0.1));
 	r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "skins/use_named_skins"), true));
 	r_options->push_back(ImportOption(PropertyInfo(Variant::BOOL, "animation/import"), true));
-	r_options->push_back(ImportOption(PropertyInfo(Variant::FLOAT, "animation/fps", PROPERTY_HINT_RANGE, "1,120,1"), 15));
+	r_options->push_back(ImportOption(PropertyInfo(Variant::FLOAT, "animation/fps", PROPERTY_HINT_RANGE, "1,120,1"), 30));
 	r_options->push_back(ImportOption(PropertyInfo(Variant::STRING, "import_script/path", PROPERTY_HINT_FILE, script_ext_hint), ""));
 
 	r_options->push_back(ImportOption(PropertyInfo(Variant::DICTIONARY, "_subresources", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR), Dictionary()));