ESP32-C6 AT Firmware v4.0.0.0 AT+BLEGATTCWR which write data length cannot exceed 20

[xinkunlong]

Answers checklist.

• [X] I have read the documentation ESP-AT Programming Guide and the issue is not addressed there.
• [X] I have used the latest released firmware or have updated my ESP-AT branch (master or release) to the latest version and checked that the issue is present there.
• [X] I have searched the issue tracker for a similar issue and not found a similar issue.

General issue report

When I write values using AT+BLEGATTCWR, the data length exceeds 20, and only 20 datas can be received by the server

[Luxin812]

Could you please provide the test steps that can reproduce this issue? Thank you.