Fixed a bunch of warnings

FoodsharingSiegen.Server/Controls/InteractionRow.razor

@@ -1,46 +1,5 @@
 @using FoodsharingSiegen.Contracts.Entity
 
-@code {
-
-    [Parameter]
-    public Prospect Prospect { get; set; }
-    
-    [Parameter]
-    public InteractionType Type { get; set; }
-
-    [Parameter]
-    public EventCallback AddClick { get; set; }
-    
-    [Parameter]
-    public EventCallback<Guid> RemoveClick { get; set; }
-
-    [Parameter]
-    public string Caption { get; set; }
-
-    [Parameter]
-    public string ButtonText { get; set; }
-
-    [Parameter]
-    public string IconClass { get; set; }
-
-    [Parameter]
-    public bool Multiple { get; set; }
-
-    [Parameter]
-    public int Minimum { get; set; } = 1;
-    
-    [Parameter]
-    public bool AllowAddInteraction { get; set; }
-
-    private List<Interaction> Interactions => Prospect?.Interactions?.Where(x => x.Type == Type).ToList() ?? new List<Interaction>();
-
-    private bool Done => Interactions.Count >= Minimum;
-
-    private bool NotNeeded => Interactions.Any(x => x.NotNeeded);
-    
-    private bool Alert => Interactions.Any(x => x.Alert);
-}
-
 @{
     var rowClass = "";
     if (Done) rowClass += " done";
@@ -65,7 +24,7 @@
                         <span>(<i>@interaction.Info</i>)</span>
                     }
 
-                    @if ((!Prospect.Complete || interaction.Type == InteractionType.Complete) && AllowAddInteraction)
+                    @if ((Prospect is not {Complete: true } || interaction.Type == InteractionType.Complete) && AllowAddInteraction)
                     {
                         <span>&nbsp;<a href=""><i class="fa-solid fa-square-xmark" @onclick="async () => await RemoveClick.InvokeAsync(interaction.Id)" @onclick:preventDefault></i></a></span>
                     }
@@ -74,7 +33,7 @@
             }
         }
 
-        @if (!Prospect.Complete && (Interactions.Count == 0 || Multiple) && AllowAddInteraction)
+        @if (Prospect is not {Complete: true } && (Interactions.Count == 0 || Multiple) && AllowAddInteraction)
         {
             if (Multiple) ButtonText = "+";
             <Button Size="Size.Small" Clicked="AddClick">@ButtonText</Button>