chore: inject Object.hasOwn polyfill for Console and UC (#7128)

#### What type of PR is this?

/area ui
/kind improvement
/milestone 2.20.x

#### What this PR does / why we need it:

Inject Object.hasOwn polyfill into the front-end projects of Console and UC to solve the problem that some features cannot be used normally in lower version browsers

See https://github.com/halo-dev/halo/issues?q=is%3Aissue%20state%3Aclosed%20hasOwn
See https://caniuse.com/?search=hasOwn

#### Does this PR introduce a user-facing change?

```release-note
修复在较低版本浏览器中无法使用默认编辑器和附件上传功能的问题。
```

ui/package.json

@@ -117,6 +117,7 @@
     "@types/qs": "^6.9.7",
     "@types/randomstring": "^1.1.8",
     "@types/ua-parser-js": "^0.7.39",
+    "@vitejs/plugin-legacy": "^6.0.0",
     "@vitejs/plugin-vue": "^5.1.4",
     "@vitejs/plugin-vue-jsx": "^4.0.1",
     "@vitest/ui": "^0.34.1",
@@ -145,6 +146,7 @@
     "tailwindcss": "^3.2.7",
     "tailwindcss-safe-area": "^0.2.2",
     "tailwindcss-themer": "^2.0.3",
+    "terser": "^5.37.0",
     "typescript": "~5.6.2",
     "unplugin-icons": "^0.19.2",
     "vite": "^5.4.1",