Improve Performance [Client] [ListMessages] [Grab Body] Optimize Memory Usage (#3)

- [+] fix(list_messages.go): optimize buffer handling in ListMessages function by resetting buffer before putting it back in the pool

Reviewed-on: #3
Co-authored-by: H0llyW00dzZ <h0llyw00dzz@pm.me>
Co-committed-by: H0llyW00dzZ <h0llyw00dzz@pm.me>

client/list_messages.go

@@ -70,12 +70,11 @@ func (c *IMAPClient) ListMessages(mailbox string, numMessages uint32, config Mes
 		if config.GrabBody {
 			for _, literal := range msg.Body {
 				buf := bytebufferpool.Get()
-				defer bytebufferpool.Put(buf)
-
-				_, err := buf.ReadFrom(literal)
-				if err == nil {
+				if _, err := buf.ReadFrom(literal); err == nil {
 					details.Body = buf.String()
 				}
+				buf.Reset() // Reset the buffer before returning it to the pool.
+				bytebufferpool.Put(buf)
 			}
 		}
 		results = append(results, details)