Made Manifest Size source of truth.

- Updated ModService->Resolve... to return Uri.
- Removed ModrinthModInfoModel as no longer needed.

AlayaCore/Models/Manifests/DTO/InstalledModEntryDto.cs

@@ -1,22 +0,0 @@
-using System;
-using Newtonsoft.Json;
-
-namespace AlayaCore.Models.Manifests.DTO
-{
-    [Serializable]
-    public class InstalledModEntryDto
-    {
-        [JsonProperty("name", Required = Required.Always)]
-        public string FileName { get; set; } = string.Empty;
-        
-        [JsonProperty("version", Required = Required.Always)]
-        public string Version { get; set; } = string.Empty;
-        
-        [JsonProperty("sha512Hash", Required = Required.Always)]
-        public string Sha512Hash { get; set; } = string.Empty;
-        
-        [JsonProperty("size", Required = Required.Always)]
-        public long Size { get; set; }
-        
-    }
-}

AlayaCore/Models/Manifests/InstalledModEntry.cs

@@ -1,34 +0,0 @@
-using System;
-
-namespace AlayaCore.Models.Manifests
-{
-    [Serializable]
-    public sealed class InstalledModEntry
-    {
-        public string FileName { get; }
-        public string Sha512Hash { get; }
-        public long Size { get; }
-
-        public InstalledModEntry(string fileName, string sha512Hash, long size)
-        {
-            if (string.IsNullOrWhiteSpace(fileName))
-            {
-                throw new ArgumentException("File name cannot be null, empty, or whitespace.", nameof(fileName));
-            }
-
-            if (string.IsNullOrWhiteSpace(sha512Hash))
-            {
-                throw new ArgumentException("SHA-512 hash cannot be null, empty, or whitespace.", nameof(sha512Hash));
-            }
-
-            if (size <= 0)
-            {
-                throw new ArgumentOutOfRangeException(nameof(size), "Size must be greater than zero.");
-            }
-
-            FileName = fileName;
-            Sha512Hash = sha512Hash;
-            Size = size;
-        }
-    }
-}

AlayaCore/Models/ModrinthModInfoModel.cs

@@ -1,19 +0,0 @@
-using System;
-using AlayaCore.Models.Manifests;
-
-namespace AlayaCore.Models
-{
-    public class ModrinthModInfoModel
-    {
-        public ModrinthModInfoModel(Uri modUrl, long size)
-        {
-            ModUrl = modUrl;
-            Size = size;
-        }
-
-        public Uri ModUrl { get; set; }
-        public long Size { get; set; }
-        
-        
-    }
-}