Refactor imports and improve code organization across multiple components and hooks

- Consolidated and reordered imports in various files for better readability and maintainability.
- Removed unused imports and ensured consistent import styles.
- Enhanced the structure of components by grouping related imports together.
- Updated the layout and organization of hooks to streamline functionality.
- Improved the overall code quality by following best practices in import management.

src/components/layout/traffic-graph.tsx

@@ -1,5 +1,5 @@
-import { forwardRef, useEffect, useImperativeHandle, useRef } from "react";
 import { useTheme } from "@mui/material";
+import { forwardRef, useEffect, useImperativeHandle, useRef } from "react";
 
 const maxPoint = 30;