revert 2 buffer/simple string changes from experimentation

Author: sjpotter

packages/client/lib/RESP/decoder.ts

@@ -35,7 +35,7 @@ const ASCII = {
 } as const;
 
 export const PUSH_TYPE_MAPPING = {
-  [RESP_TYPES.SIMPLE_STRING]: Buffer
+  [RESP_TYPES.BLOB_STRING]: Buffer
 };
 
 // this was written with performance in mind, so it's not very readable... sorry :(

packages/client/lib/client/commands-queue.ts

@@ -183,9 +183,9 @@ export default class RedisCommandsQueue {
         if (this.#onPush(reply)) return;
 
         if (PONG.equals(reply[0] as Buffer)) {
-          const { resolve } = this.#waitingForReply.shift()!,
+          const { resolve, typeMapping } = this.#waitingForReply.shift()!,
             buffer = ((reply[1] as Buffer).length === 0 ? reply[0] : reply[1]) as Buffer;
-          resolve(buffer.toString());
+          resolve(typeMapping?.[RESP_TYPES.SIMPLE_STRING] === Buffer ? buffer : buffer.toString());
           return;
         }
       }