replace hard hat icon with server cog (#7771)

frontend/src/lib/components/sidebar/SidebarContent.svelte

@@ -15,7 +15,7 @@
 	import { SIDEBAR_SHOW_SCHEDULES } from '$lib/consts'
 	import {
 		BookOpen,
-		HardHat,
+		ServerCog,
 		Boxes,
 		Calendar,
 		DollarSign,
@@ -31,7 +31,6 @@
 		Newspaper,
 		Play,
 		Route,
-		ServerCog,
 		Settings,
 		UserCog,
 		Plus,
@@ -455,7 +454,7 @@
 		{
 			label: 'Workers',
 			href: `${base}/workers`,
-			icon: HardHat,
+			icon: ServerCog,
 			disabled: $userStore?.operator,
 			aiId: 'sidebar-menu-link-workers',
 			aiDescription: 'Button to navigate to workers'

frontend/src/lib/components/sidebar/UserMenu.svelte

@@ -11,7 +11,7 @@
 	import { USER_SETTINGS_HASH } from './settings'
 	import { isCloudHosted } from '$lib/cloud'
 	import { twMerge } from 'tailwind-merge'
-	import { Crown, HardHat, LogOut, Moon, Settings, Sun, User } from 'lucide-svelte'
+	import { Crown, ServerCog, LogOut, Moon, Settings, Sun, User } from 'lucide-svelte'
 	import DarkModeObserver from '../DarkModeObserver.svelte'
 	import MenuButton from './MenuButton.svelte'
 	import { Menu, MenuItem } from '$lib/components/meltComponents'
@@ -55,7 +55,7 @@
 				{#if $userStore?.is_admin}
 					Admin of this workspace <Crown size={14} />
 				{:else if $userStore?.operator}
-					Operator in this workspace <HardHat size={14} />
+					Operator in this workspace <ServerCog size={14} />
 				{/if}
 			</span>
 		</div>