Refactor project files for improved readability and structure

- Cleaned up whitespace in Directory.Build.props and Directory.Packages.props for consistency.
- Reformatted project file references in PnvPanel.Api.csproj for better clarity.
- Enhanced code readability in various endpoint files by adjusting line breaks and indentation.
- Standardized method signatures and improved formatting in ResultExtensions and multiple endpoint classes for better maintainability.

backend/src/PnvPanel.Domain/Inbounds/Inbound.cs

@@ -21,11 +21,15 @@ public sealed class Inbound : Entity
     public IReadOnlyList<Guid> AllowedRoleIds { get; private set; } = [];
     public DateTimeOffset? LastSyncAt { get; private set; }
 
-    private Inbound()
-    {
-    }
+    private Inbound() { }
 
-    public static Inbound FromRemote(Guid nodeId, string remoteInboundId, VpnProtocol protocol, string remark, int port)
+    public static Inbound FromRemote(
+        Guid nodeId,
+        string remoteInboundId,
+        VpnProtocol protocol,
+        string remark,
+        int port
+    )
     {
         return new Inbound
         {
@@ -48,7 +52,11 @@ public sealed class Inbound : Entity
         LastSyncAt = DateTimeOffset.UtcNow;
     }
 
-    public void Publish(string? displayName, IReadOnlyCollection<Guid> allowedRoleIds, int? maxClients)
+    public void Publish(
+        string? displayName,
+        IReadOnlyCollection<Guid> allowedRoleIds,
+        int? maxClients
+    )
     {
         IsPublished = true;
         DisplayName = displayName;