fix Flatpak tooling and AppImage graphics on modern Linux

src-tauri/tauri.conf.json

@@ -7,6 +7,7 @@
     "beforeDevCommand": "pnpm dev",
     "devUrl": "http://localhost:1450",
     "beforeBuildCommand": "pnpm build",
+    "beforeBundleCommand": "node scripts/prepare-bundle.mjs",
     "frontendDist": "../dist"
   },
   "app": {
@@ -46,6 +47,7 @@
   },
   "bundle": {
     "active": true,
+    "useLocalToolsDir": true,
     "targets": [
       "app",
       "dmg",