REFACTOR: Align icon imports;

REFACTOR: Remove obsolete `EditButton` component

frontend/src/components/Navigation/Navbar.tsx

@@ -2,9 +2,9 @@ import React, { useEffect } from "react";
 import Logo from "../Layout/Logo";
 import Button, { ToggleButton } from "../Input/Button";
 import {
-  LogIn as LogInIcon,
-  LogOut as LogOutIcon,
-  Settings as SettingsIcon,
+  LogInIcon,
+  LogOutIcon,
+  SettingsIcon,
   Radio as LiveIcon,
 } from "lucide-react";
 import SearchBar from "../Input/SearchBar";

frontend/src/components/Navigation/Sidebar.tsx

@@ -1,5 +1,5 @@
 import React, { useEffect, useState } from "react";
-import { Sidebar as SidebarIcon } from "lucide-react";
+import { SidebarIcon } from "lucide-react";
 import { useNavigate } from "react-router-dom";
 import { useAuth } from "../../context/AuthContext";
 import { useSidebar } from "../../context/SidebarContext";