Update:iOS using new sync local sessions endpoint

- remove local session sync function call on starting playback
- Add User model and getCurrentUser api function

ios/App/Shared/models/server/User.swift

@@ -0,0 +1,41 @@
+//
+//  User.swift
+//  Audiobookshelf
+//
+//  Created by advplyr on 11/12/23.
+//
+
+import Foundation
+import RealmSwift
+
+class User: EmbeddedObject, Codable {
+    @Persisted var id: String = ""
+    @Persisted var username: String = ""
+    @Persisted var mediaProgress = List<MediaProgress>()
+    
+    private enum CodingKeys : String, CodingKey {
+        case id, username, mediaProgress
+    }
+    
+    override init() {
+        super.init()
+    }
+    
+    required init(from decoder: Decoder) throws {
+        super.init()
+        
+        let values = try decoder.container(keyedBy: CodingKeys.self)
+        id = try values.decode(String.self, forKey: .id)
+        username = try values.decode(String.self, forKey: .username)
+        if let progresses = try? values.decode([MediaProgress].self, forKey: .mediaProgress) {
+            mediaProgress.append(objectsIn: progresses)
+        }
+    }
+    
+    func encode(to encoder: Encoder) throws {
+        var container = encoder.container(keyedBy: CodingKeys.self)
+        try container.encode(id, forKey: .id)
+        try container.encode(username, forKey: .username)
+        try container.encode(Array(mediaProgress), forKey: .mediaProgress)
+    }
+}