Fix compiler warnings

Author: RossDScott

PocketDDD.BlazorClient/PocketDDD.BlazorClient/Features/SessionFeedback/Components/SessionFeedback.razor

@@ -70,7 +70,7 @@
 }
 
 @code {
-    [CascadingParameter] MudDialogInstance MudDialog { get; set; }
+    [CascadingParameter] MudDialogInstance MudDialog { get; set; } = default!;
     [Parameter] public int Id { get; set; }
 
     int _speakersKnowledge = 0;

PocketDDD.BlazorClient/PocketDDD.BlazorClient/Features/Sync/Components/SyncStatus.razor

@@ -54,14 +54,14 @@
 </MudAppBar>
 
 @code {
-    RenderFragment WhenSyncingShowSyncAlert() =>
+    RenderFragment? WhenSyncingShowSyncAlert() =>
         State.Value.IsSyncing
         ? @<MudAlert Class="mt-2" Severity="Severity.Info" Icon="@Icons.Material.Filled.CloudSync"> Syncing...</MudAlert>
             : null;
 }
 
 @code {
-    [CascadingParameter] MudDialogInstance MudDialog { get; set; }
+    [CascadingParameter] MudDialogInstance MudDialog { get; set; } = default!;
 
     protected override void OnInitialized()
     {

PocketDDD.BlazorClient/PocketDDD.BlazorClient/Features/Sync/Store/SyncEffects.cs

@@ -26,11 +26,12 @@ public SyncEffects(IState<SyncState> state, IDispatcher dispatcher, LocalStorage
     }
 
     [EffectMethod]
-    public async Task OnSync(SyncAction action, IDispatcher dispatcher)
+    public Task OnSync(SyncAction action, IDispatcher dispatcher)
     {
         dispatcher.Dispatch(new SyncEventAction());
         dispatcher.Dispatch(new SyncEventFeedbackAction());
         dispatcher.Dispatch(new SyncSessionFeedbackAction());
+        return Task.CompletedTask;
     }
 
     [EffectMethod]

PocketDDD.BlazorClient/PocketDDD.BlazorClient/Shared/MainLayout.razor

@@ -30,8 +30,9 @@
         }
     }
 
-    protected override async Task OnParametersSetAsync()
+    protected override void OnInitialized()
     {
         Dispatcher.Dispatch(new CheckUserAction());
+        base.OnInitialized();
     }
 }