desktop: take app screenshot if test fails

apps/desktop/package-lock.json

@@ -35,6 +35,7 @@
         "node-gyp-build": "^4.8.2",
         "playwright": "^1.48.2",
         "prebuildify": "^6.0.1",
+        "slugify": "^1.6.6",
         "tree-kill": "^1.2.2",
         "undici": "^6.19.8",
         "vitest": "^2.1.5"
@@ -6324,6 +6325,16 @@
         "node": ">=8"
       }
     },
+    "node_modules/slugify": {
+      "version": "1.6.6",
+      "resolved": "https://registry.npmjs.org/slugify/-/slugify-1.6.6.tgz",
+      "integrity": "sha512-h+z7HKHYXj6wJU+AnS/+IH8Uh9fdcX1Lrhg1/VMdf9PwoBQXFcXiAdsy2tSK0P6gKwJLXp02r90ahUCqHk9rrw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.0.0"
+      }
+    },
     "node_modules/smart-buffer": {
       "version": "4.2.0",
       "resolved": "https://registry.npmjs.org/smart-buffer/-/smart-buffer-4.2.0.tgz",