Fix broken back button on dashboard page by replacing it with navigation buttons for users, groups, and computers.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 705f2157-ef97-4fbd-89e4-8c7f2ecaea90
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/7ed01c5f-a82d-405a-b728-b2e3d127c60c/3a4b6aa9-2de4-44cc-933c-5de0d380f123.jpg

client/src/pages/dashboard-page.tsx

@@ -378,15 +378,35 @@ export default function DashboardPage() {
     <div className="container mx-auto py-6">
       <div className="flex justify-between items-center mb-6">
         <div className="flex items-center gap-4">
-          <Button 
-            variant="outline" 
-            size="sm" 
-            onClick={() => setLocation("/")}
-            className="mr-2"
-          >
-            <ArrowLeft className="h-4 w-4 mr-2" />
-            Back
-          </Button>
+          <div className="flex space-x-2">
+            <Button 
+              variant="outline" 
+              size="sm" 
+              onClick={() => setLocation("/users")}
+              className="text-xs"
+            >
+              <ArrowLeft className="h-3 w-3 mr-1" />
+              Users
+            </Button>
+            <Button 
+              variant="outline" 
+              size="sm" 
+              onClick={() => setLocation("/groups")}
+              className="text-xs"
+            >
+              <ArrowLeft className="h-3 w-3 mr-1" />
+              Groups
+            </Button>
+            <Button 
+              variant="outline" 
+              size="sm" 
+              onClick={() => setLocation("/computers")}
+              className="text-xs"
+            >
+              <ArrowLeft className="h-3 w-3 mr-1" />
+              Computers
+            </Button>
+          </div>
           <h1 className="text-3xl font-bold">Dashboards</h1>
         </div>
         <div className="flex gap-2">