fix: add legacy plugin to support iOS 14

apps/client/package.json

@@ -51,7 +51,8 @@
     "production": [
       ">0.2%",
       "not dead",
-      "not op_mini all"
+      "not op_mini all",
+      "safari >= 14.1"
     ],
     "development": [
       "last 1 chrome version",
@@ -64,6 +65,7 @@
     "@types/qrcode": "^1.5.6",
     "@types/react": "^19.1.12",
     "@types/react-dom": "^19.1.9",
+    "@vitejs/plugin-legacy": "^8.0.1",
     "@vitejs/plugin-react": "5.2.0",
     "babel-plugin-react-compiler": "1.0.0",
     "ontime-types": "workspace:*",