feat: move fleets into a first-party plugin

src/ui/shell/pluginLoader.ts

@@ -42,6 +42,7 @@ const BUILT_IN_TABS_BY_PLUGIN: Record<string, string[]> = {
   "ssh-terminal": ["terminal"],
   "remote-desktop": ["rdp", "vnc", "telnet"],
   ai: ["ai"],
+  fleets: ["fleet-inventory"],
 };
 
 let pluginEnabled = new Map<string, boolean>();

src/ui/shell/tabUtils.tsx

@@ -145,7 +145,7 @@ const Serial = lazy(() =>
   })),
 );
 const FleetInventoryTab = lazy(() =>
-  import("@/sidebar/FleetInventoryTab").then((m) => ({
+  import("../../../plugins/fleets/frontend/FleetInventoryTab").then((m) => ({
     default: m.FleetInventoryTab,
   })),
 );