Merge pull request #1731 from OneSignal/user-model/enable-unattributed-influences

[User Model] Properly set `isUnattributedEnabled` to config when specified in the params

Author: brismithers

OneSignalSDK/onesignal/core/src/main/java/com/onesignal/core/internal/config/impl/ConfigModelStoreListener.kt

@@ -94,7 +94,7 @@ internal class ConfigModelStoreListener(
                     params.influenceParams.indirectIAMAttributionWindow?.let { config.influenceParams.indirectIAMAttributionWindow = it }
                     params.influenceParams.isDirectEnabled?.let { config.influenceParams.isDirectEnabled = it }
                     params.influenceParams.isIndirectEnabled?.let { config.influenceParams.isIndirectEnabled = it }
-                    params.influenceParams.isUnattributedEnabled?.let { config.influenceParams.isUnattributedEnabled }
+                    params.influenceParams.isUnattributedEnabled?.let { config.influenceParams.isUnattributedEnabled = it }
 
                     _configModelStore.replace(config, ModelChangeTags.HYDRATE)
                     success = true