fix(frontend): show database management entry to local users

frontend/src/shell/AppShell.database-management.test.tsx

@@ -121,7 +121,7 @@ test("keeps a live core session connected and returns when that session is opene
   expect(FakeEventSource.instances).toHaveLength(1);
 });
 
-test("hides database management from users without workspace management permission", () => {
+test("shows database management entry to authenticated users without workspace management permission", () => {
   clearAuthState();
   setAuthState({
     issuer: "test",
@@ -135,5 +135,5 @@ test("hides database management from users without workspace management permissi
 
   renderShell();
 
-  expect(screen.queryByRole("button", { name: "Database management" })).not.toBeInTheDocument();
+  expect(screen.getByRole("button", { name: "Database management" })).toBeInTheDocument();
 });

frontend/src/shell/AppShell.tsx

@@ -745,7 +745,6 @@ export function AppShell({ canLogout }: AppShellProps) {
           >
             Workspace management
           </Button>
-          {canManageWorkspace && (
           <Button
             variant="ghost"
             size="sm"
@@ -760,7 +759,6 @@ export function AppShell({ canLogout }: AppShellProps) {
           >
             Database management
           </Button>
-          )}
           {canManagePi && (
             <Button
               variant="outline"