[PATCH pve_flutter_frontend 1/2] fix: ui: show empty message if there are no tokens or groups

[Shan Shaji <s.shaji@proxmox.com>]

The tokens and groups tab bar view widgets were showing a blank page.
This was flagged by play console as a broken functionality. To fix the
issue if there are no groups or tokens show an empty message in body of
the widgets.

Signed-off-by: Shan Shaji <s.shaji@proxmox.com>
---
 lib/pages/main_layout_slim.dart | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/lib/pages/main_layout_slim.dart b/lib/pages/main_layout_slim.dart
index 4229ef4..c65f744 100644
--- a/lib/pages/main_layout_slim.dart
+++ b/lib/pages/main_layout_slim.dart
@@ -936,6 +936,14 @@ class MobileAccessManagement extends StatelessWidget {
                             : null,
                       );
                     }),
+                if (aState.tokens.isEmpty)
+                  Align(
+                    child: Text(
+                      "No Tokens",
+                      style: Theme.of(context).textTheme.bodyLarge,
+                    ),
+                  )
+                else
                 ListView.builder(
                     itemCount: aState.tokens.length,
                     itemBuilder: (context, index) {
@@ -951,6 +959,14 @@ class MobileAccessManagement extends StatelessWidget {
                         subtitle: Text('Expires: $expireDate'),
                       );
                     }),
+                if (aState.groups.isEmpty)
+                  Align(
+                    child: Text(
+                      "No Groups",
+                      style: Theme.of(context).textTheme.bodyLarge,
+                    ),
+                  )
+                else
                 ListView.builder(
                     itemCount: aState.groups.length,
                     itemBuilder: (context, index) {
-- 
2.47.3