fix: realtime events payload

Author: TorstenDittmann

Sources/Appwrite/Client.swift

@@ -323,6 +323,9 @@ open class Client {
                     return response.body as! T
                 default:
                     let data = try await response.body.collect(upTo: Int.max)
+                    if data.readableBytes == 0 {
+                        return true as! T
+                    }
                     let dict = try JSONSerialization.jsonObject(with: data) as? [String: Any]
 
                     return converter?(dict!) ?? dict! as! T

Sources/Appwrite/Models/AppwriteError.swift

@@ -12,3 +12,19 @@ open class AppwriteError : Swift.Error, Decodable {
         self.type = type
     }
 }
+
+extension AppwriteError: CustomStringConvertible {
+    public var description: String {
+        get {
+            return self.message
+        }
+    }
+}
+
+extension AppwriteError: LocalizedError {
+    public var errorDescription: String? {
+        get {
+            return self.message
+        }
+    }
+}