fix(ui): let the update status chip shrink instead of overflow

Long translations (e.g. Italian, Tamil) could exceed the card title row
on minimum-width cards. The chip is now flex-sized and its label
ellipsizes, so the title and chip degrade gracefully at any width and
locale.

ui/flutter/lib/shared/widgets/detail/app_detail_surface_desktop.dart

@@ -98,7 +98,10 @@ class AppDetailDrawer extends StatelessWidget {
                                         ),
                                       ),
                                     ),
-                                    if (titleTrailing != null) ...[const SizedBox(width: 8), titleTrailing!],
+                                    if (titleTrailing != null) ...[
+                                      const SizedBox(width: 8),
+                                      Flexible(child: titleTrailing!),
+                                    ],
                                   ],
                                 ),
                               ),

ui/flutter/lib/shared/widgets/detail/app_detail_surface_mobile.dart

@@ -66,7 +66,10 @@ class AppDetailPage extends StatelessWidget {
                               style: TextStyle(color: palette.textPrimary, fontSize: 17, fontWeight: FontWeight.w700),
                             ),
                           ),
-                          if (titleTrailing != null) ...[const SizedBox(width: 8), titleTrailing!],
+                          if (titleTrailing != null) ...[
+                            const SizedBox(width: 8),
+                            Flexible(child: titleTrailing!),
+                          ],
                         ],
                       ),
                     ),