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/Defaults/index.ts

@@ -1,7 +1,7 @@
 import { proto } from '../../WAProto/index.js'
 import { makeLibSignalRepository } from '../Signal/libsignal'
 import type { AuthenticationState, SocketConfig, WAVersion } from '../Types'
-import { Browsers } from '../Utils'
+import { Browsers } from '../Utils/browser-utils'
 import logger from '../Utils/logger'
 
 const version = [2, 3000, 1023223821]