Fix the icons assets. (#762)

* Fix the icons assets.
* Remove verbosity and collapse copyfiles.

package.json

@@ -337,6 +337,7 @@
     "assets": [
       "apack.json",
       ".version.json",
+      "dist/src-electron/icons/*",
       "dist/src-electron/db/zap-schema.sql",
       "zcl-builtin/**/*",
       "spa/**/*",

src-script/script-util.js

@@ -179,8 +179,8 @@ async function rebuildBackendIfNeeded() {
     .then(() =>
       scriptUtil.executeCmd({}, 'npx', [
         'copyfiles',
-        '-V',
         './src-electron/**/*.sql',
+        './src-electron/icons/*',
         './dist/',
       ])
     )