chore: update recharts dependency and refactor chart components

- Updated recharts version from 3.2.1 to 2.15.4 in package.json.
- Removed unused imports and types in GlobalSearch component.
- Adjusted spacing in CardHeader component.
- Refactored ChartTooltipContent and ChartLegendContent components to filter out items with type 'none' and improve readability.

package.json

@@ -42,7 +42,7 @@
     "react-day-picker": "^9.11.0",
     "react-dom": "^19.2.0",
     "react-router": "^7.9.3",
-    "recharts": "3.2.1",
+    "recharts": "2.15.4",
     "socket.io-client": "^4.8.1",
     "sonner": "^2.0.7",
     "tailwind-merge": "^3.3.1",