chore: set a sensible playwright snapshot path template

Without this, when you run the tests on a different platform, the snapshots are not found and new
ones are created, which is quite confusing.

Author: serhalp

playwright.config.ts

@@ -18,6 +18,8 @@ export default defineConfig<ConfigOptions>({
     reuseExistingServer: false,
     timeout: 60_000,
   },
+  // We currently only test on one browser on one platform
+  snapshotPathTemplate: '{snapshotDir}/{testFileDir}/{testFileName}-snapshots/{arg}{ext}',
   use: {
     baseURL,
     trace: 'on-first-retry',