fix: set duplex property when uploading media to server (#1837)

* fix: set duplex to half in getWAUploadToServer

* fix: add duplex to RequestInit interface

src/Types/globals.d.ts

@@ -1,6 +1,7 @@
 declare global {
 	interface RequestInit {
 		dispatcher?: any
+		duplex?: 'half' | 'full'
 	}
 }