refactor: update publicConfig checks for HuggingChat in modals and nav menu

src/lib/components/DisclaimerModal.svelte

@@ -62,7 +62,7 @@
 						class="flex w-full flex-wrap items-center justify-center whitespace-nowrap rounded-full border-2 border-black bg-black px-5 py-2 text-lg font-semibold text-gray-100 transition-colors hover:bg-gray-900"
 					>
 						Sign in
-						{#if publicConfig.PUBLIC_APP_NAME === "HuggingChat"}
+						{#if publicConfig.isHuggingChat}
 							<span class="flex items-center">
 								&nbsp;with <LogoHuggingFaceBorderless classNames="text-xl mr-1 ml-1.5 flex-none" /> Hugging
 								Face

src/lib/components/LoginModal.svelte

@@ -39,7 +39,7 @@
 					class="flex w-full flex-wrap items-center justify-center whitespace-nowrap rounded-full bg-black px-5 py-2 text-center text-lg font-semibold text-gray-100 transition-colors hover:bg-gray-900"
 				>
 					Sign in
-					{#if publicConfig.PUBLIC_APP_NAME === "HuggingChat"}
+					{#if publicConfig.isHuggingChat}
 						<span class="flex items-center">
 							&nbsp;with <LogoHuggingFaceBorderless classNames="text-xl mr-1 ml-1.5" /> Hugging Face
 						</span>

src/lib/components/NavMenu.svelte

@@ -217,7 +217,7 @@
 	>
 		Settings
 	</a>
-	{#if publicConfig.PUBLIC_APP_NAME === "HuggingChat"}
+	{#if publicConfig.isHuggingChat}
 		<a
 			href="{base}/privacy"
 			class="flex h-9 flex-none items-center gap-1.5 rounded-lg pl-2.5 pr-2 text-gray-500 hover:bg-gray-100 dark:text-gray-400 dark:hover:bg-gray-700"