fix: harden Protobuf Deserialization and Refactor Utilities (#1820)

* refactor: reorganize browser utility functions and improve buffer handling

* fix: harden protobuf deserialization and clean up code

* refactor: simplify data handling in GroupCipher and SenderKey classes

* fix: Ensure consistent Buffer hydration and remove redundant code

* refactor: update decodeAndHydrate calls to use proto types for improved type safety

src/Utils/messages-media.ts

@@ -27,6 +27,7 @@ import { type BinaryNode, getBinaryNodeChild, getBinaryNodeChildBuffer, jidNorma
 import { aesDecryptGCM, aesEncryptGCM, hkdf } from './crypto'
 import { generateMessageIDV2 } from './generics'
 import type { ILogger } from './logger'
+import { decodeAndHydrate } from './proto-utils'
 
 const getTmpFilesDirectory = () => tmpdir()
 
@@ -783,7 +784,7 @@ export const decryptMediaRetryData = async (
 ) => {
 	const retryKey = await getMediaRetryKey(mediaKey)
 	const plaintext = aesDecryptGCM(ciphertext, retryKey, iv, Buffer.from(msgId))
-	return proto.MediaRetryNotification.decode(plaintext)
+	return decodeAndHydrate(proto.MediaRetryNotification, plaintext)
 }
 
 export const getStatusCodeForMediaRetry = (code: number) =>