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/browser-utils.ts

@@ -0,0 +1,31 @@
+import { platform, release } from 'os'
+import { proto } from '../../WAProto/index.js'
+import type { BrowsersMap } from '../Types'
+
+const PLATFORM_MAP = {
+	aix: 'AIX',
+	darwin: 'Mac OS',
+	win32: 'Windows',
+	android: 'Android',
+	freebsd: 'FreeBSD',
+	openbsd: 'OpenBSD',
+	sunos: 'Solaris',
+	linux: undefined,
+	haiku: undefined,
+	cygwin: undefined,
+	netbsd: undefined
+}
+
+export const Browsers: BrowsersMap = {
+	ubuntu: browser => ['Ubuntu', browser, '22.04.4'],
+	macOS: browser => ['Mac OS', browser, '14.4.1'],
+	baileys: browser => ['Baileys', browser, '6.5.0'],
+	windows: browser => ['Windows', browser, '10.0.22631'],
+	/** The appropriate browser based on your OS & release */
+	appropriate: browser => [PLATFORM_MAP[platform()] || 'Ubuntu', browser, release()]
+}
+
+export const getPlatformId = (browser: string) => {
+	const platformType = proto.DeviceProps.PlatformType[browser.toUpperCase() as any]
+	return platformType ? platformType.toString() : '1' //chrome
+}