Fix desktop and sliver app bar add client

lib/screens/clients/client/client_screen.dart

@@ -235,9 +235,16 @@ class _ClientScreenState extends State<ClientScreen> {
 
 
     if (widget.fullScreen == true) {
-      return Dialog.fullscreen(
-        child: Scaffold(
-          appBar: AppBar(
+      return Material(
+        child: NestedScrollView(
+          headerSliverBuilder: (context, innerBoxIsScrolled) => [
+            SliverOverlapAbsorber(
+              handle: NestedScrollView.sliverOverlapAbsorberHandleFor(context),
+              sliver: SliverAppBar.large(
+                pinned: true,
+                floating: true,
+                centerTitle: false,
+                forceElevated: innerBoxIsScrolled,
                 leading: IconButton(
                   onPressed: () => Navigator.pop(context),
                   icon: const Icon(Icons.close)
@@ -248,10 +255,19 @@ class _ClientScreenState extends State<ClientScreen> {
                     : AppLocalizations.of(context)!.addClient
                 ),
                 actions: actions(),
-          ),
+              )
+            )
+          ], 
           body: SafeArea(
-            child: ListView(
-              controller: _scrollController,
+            top: false,
+            bottom: true,
+            child: Builder(
+              builder: (context) => CustomScrollView(
+                slivers: [
+                  SliverOverlapInjector(
+                    handle: NestedScrollView.sliverOverlapAbsorberHandleFor(context),
+                  ),
+                  SliverList.list(
                     children: [
                       if (!_nameValid || !_identifiersValid || !_dnsCacheValid) _Errors(
                         nameValid: _nameValid, 
@@ -298,8 +314,11 @@ class _ClientScreenState extends State<ClientScreen> {
                         setBlockedServicesSchedule: (v) => setState(() => _blockedServicesSchedule = v),
                       ),
                     ],
+                  )
+                ],
               ),
-          ),
+            )
+          )
         ),
       );
     } 

lib/screens/logs/log_tile.dart

@@ -148,11 +148,14 @@ class LogTile extends StatelessWidget {
     }
 
     void openAddClient() {
-      openClientFormModal(
+      Future.delayed(
+        const Duration(milliseconds: 0), 
+        () => openClientFormModal(
           context: context, 
           width: MediaQuery.of(context).size.width, 
           onConfirm: confirmAddClient,
           initialData: ClientInitialData(name:  "Client ${log.client}", ip: log.client)
+        )
       );
     }