feat(dto): add personOwnerId album filter and opt-in asset IncludeCount

Butter/Dtos/Album/AlbumSearchParametersDto.cs

@@ -14,4 +14,9 @@ public class AlbumSearchParametersDto : PagedSearchParametersDto {
     /// Only returns albums that contain at least one asset uploaded by the specified user.
     /// </summary>
     public Guid? AssetUploadedBy { get; set; }
+
+    /// <summary>
+    /// Gets or sets the person ID to filter albums by their owner.
+    /// </summary>
+    public Guid? PersonOwnerId { get; set; }
 }

Butter/Dtos/Asset/AssetSearchOptionsDto.cs

@@ -38,4 +38,9 @@ public class AssetSearchOptionsDto: PagedSearchParametersDto {
     /// Gets or sets the uploader user ID to filter assets by their uploader.
     /// </summary>
     public Guid? UploadedBy  { get; set; }
+    /// <summary>
+    /// Gets or sets whether the total matching count should be computed and returned in the <c>X-Total-Count</c> header.
+    /// Skipping it avoids a full count query over the filtered result set.
+    /// </summary>
+    public bool IncludeCount { get; set; } = true;
 }