feat: Refactor Mentor Settings Page and improve user profile handling

- Removed MentorSettingsPage component to streamline user profile management.
- Updated ProjectForumTab and ProjectsInternTab for better UI/UX.
- Enhanced ProjectsPage loading state with a spinner.
- Improved TaskTab to handle loading states and error messages more effectively.
- Added new utility functions for user initials and file URL resolution.
- Updated UserService to normalize user data and handle profile updates more efficiently.
- Enhanced CSS styles for better visual consistency across components.
- Added new properties to CurrentUser type for better user data management.

src/Pages/internify/intern/HomeInternPage.tsx

@@ -8,7 +8,7 @@ export default function HomeInternPage()  {
     <div className="flex-1">
       <HomeHeader />
       <div className="flex flex-col gap-5">
-        <div className="grid grid-cols-2 gap-5">
+        <div className="flex flex-col gap-5 md:grid md:grid-cols-2">
           <div className="bg-box-primary border border-box-border rounded-xl p-6">
             <HomeProjectList />
           </div>