feat: Mutex redesign - isolate event processing for better ordering and throughput (#2137)

* fix: improve message resend logic by adding checks for message IDs

* Revert "fix: improve message resend logic by adding checks for message IDs"

This reverts commit c03f9d8e6fc6cbfbb9d1f8f67c169700e704213d.

* fix: introduce separate mutexes for message, receipt, app state patch, and notification processing

* fix: remove unused processing mutex for notifications

src/Socket/messages-send.ts

@@ -71,7 +71,7 @@ export const makeMessagesSocket = (config: SocketConfig) => {
 	const {
 		ev,
 		authState,
-		processingMutex,
+		messageMutex,
 		signalRepository,
 		upsertMessage,
 		query,
@@ -1199,7 +1199,7 @@ export const makeMessagesSocket = (config: SocketConfig) => {
 				})
 				if (config.emitOwnEvents) {
 					process.nextTick(async () => {
-						await processingMutex.mutex(() => upsertMessage(fullMsg, 'append'))
+						await messageMutex.mutex(() => upsertMessage(fullMsg, 'append'))
 					})
 				}