Use local svgo.cmd wrapper binary

Switch SVG optimizer resolution from bin/svgo-cli.exe to bin/svgo.cmd.

Update unit tests to validate the new local binary path behavior.

Co-Authored-By: Abacus.AI CLI <agent@abacus.ai>

bin/svgo-client/node_modules/csso/lib/utils.js

@@ -0,0 +1,2 @@
+export { default as processSelector } from './restructure/prepare/processSelector.js';
+export * from './restructure/utils.js';