Implement copilot reviews

Author: esrakartalOpt

Sources/Implementation/Events/BatchEventBuilder.swift

@@ -110,7 +110,7 @@ class BatchEventBuilder {
         let data = try? JSONEncoder().encode(batchEvent)
         let eventForDispatch = EventForDispatch(url: nil, body: data ?? Data(), region: eventRegion)
 
-        return eventForDispatch.body
+        return eventForDispatch
     }
 
     // MARK: - Event Tags

Sources/Optimizely+Decide/OptimizelyUserContext+ObjC.swift

@@ -33,9 +33,9 @@ import Foundation
     }
 
     public init(optimizely: OptimizelyClient, userId: String, attributes: [String: Any]? = nil, region: String = "US") {
-        userContext = OptimizelyUserContext(optimizely: optimizely, userId: userId, attributes: attributes)
+        userContext = OptimizelyUserContext(optimizely: optimizely, userId: userId, attributes: attributes ,region: region)
     }
-    
+
     public init(user: OptimizelyUserContext, region: String = "US") {
         self.userContext = user
     }