feat: re-add Docker quick-access button in user menu (#6054)

Adds a Docker button to the user avatar dropdown menu (admin-only)
that opens a 1400px modal containing the same Docker container table
as /manage/tools/docker.

Closes #2165

apps/nextjs/src/components/layout/header/docker-quick-access-modal.tsx

@@ -0,0 +1,10 @@
+"use client";
+
+import { createModal } from "@homarr/modals";
+
+import { DockerTable } from "~/app/[locale]/manage/tools/docker/docker-table";
+
+export const DockerQuickAccessModal = createModal<void>(() => <DockerTable />).withOptions({
+  defaultTitle: (t) => t("docker.title"),
+  size: 1400,
+});

apps/nextjs/src/components/layout/header/user.tsx

@@ -3,6 +3,7 @@ import { UnstyledButton } from "@mantine/core";
 
 import { api } from "@homarr/api/server";
 import { auth } from "@homarr/auth/next";
+import { env } from "@homarr/docker/env";
 
 import { CurrentUserAvatar } from "~/components/user-avatar";
 import { UserAvatarMenu } from "~/components/user-avatar-menu";
@@ -11,9 +12,10 @@ import { UpdateIndicator } from "./update";
 export const UserButton = async () => {
   const session = await auth();
   const isAdmin = session?.user.permissions.includes("admin");
+  const isDockerEnabled = isAdmin && env.ENABLE_DOCKER;
   const availableUpdatesPromise = isAdmin ? api.updateChecker.getAvailableUpdates() : undefined;
   return (
-    <UserAvatarMenu availableUpdatesPromise={availableUpdatesPromise}>
+    <UserAvatarMenu availableUpdatesPromise={availableUpdatesPromise} isDockerEnabled={isDockerEnabled}>
       <UnstyledButton>
         <Suspense fallback={<CurrentUserAvatar size="md" />}>
           <UpdateIndicator availableUpdatesPromise={availableUpdatesPromise} disabled={!isAdmin}>