fix: resolve TypeScript lint errors for successful build

Project/frontend/src/components/DateRangePicker.tsx

@@ -1,4 +1,4 @@
-import React, { useState, useRef, useEffect } from 'react';
+import { useState, useRef, useEffect } from 'react';
 import { ChevronLeft, ChevronRight, Calendar as CalendarIcon } from 'lucide-react';
 import clsx from 'clsx';