fix: Implement object equality for CaddyConfigurationInfo to enable list selection

CaddyManager/Components/Pages/Caddy/CaddyReverseProxies/CaddyReverseProxyItem.razor

@@ -2,7 +2,7 @@
 @using CaddyManager.Models.Caddy
 @attribute [StreamRendering]
 
-<MudListItem T="CaddyConfigurationInfo" Text="@ConfigurationInfo.FileName" OnClick="Edit" OnClickPreventDefault="true">
+<MudListItem T="CaddyConfigurationInfo" Text="@ConfigurationInfo.FileName" Value="@ConfigurationInfo" OnClick="Edit" OnClickPreventDefault="true">
     <MudStack Row AlignItems="AlignItems.Center" Class="pl-2">
         <MudIcon Icon="@Icons.Custom.FileFormats.FileCode"></MudIcon>
         <MudText>@ConfigurationInfo.FileName</MudText>

CaddyManager/Models/Caddy/CaddyConfigurationInfo.cs

@@ -29,4 +29,16 @@ public class CaddyConfigurationInfo
     /// Aggregated ports for the reverse proxy hostname from all configurations.
     /// </summary>
     public List<int> AggregatedReverseProxyPorts { get; set; } = [];
+
+    public override bool Equals(object? obj)
+    {
+        if (obj is not CaddyConfigurationInfo other)
+            return false;
+        return FileName == other.FileName;
+    }
+
+    public override int GetHashCode()
+    {
+        return FileName.GetHashCode();
+    }
 }