serial monitor: missing send button

[strau0106]

Describe the problem

There is no send button in the Serial Monitor.

Describe the problem

1. Open the "Serial Monitor" view.

🐛 There is no "Send" button associated with the message field.

Expected behavior

A "Send" button that can be clicked to send the message to the board:

Arduino IDE version

Original report

nightly 20210501

Last verified with

4deaf4f

Operating system

All

Operating system version

Any

Additional context

Additional reports

• Serial Monitor with Teensy T4.x (probably others) does not receive input #810 (comment)
• https://forum.arduino.cc/t/would-like-the-send-button-for-serial-monitor-on-the-new-ide/873159
• https://forum.arduino.cc/t/missing-serial-monitor-and-serial-plotter/924262
• https://forum.arduino.cc/t/rc9-2-serial-monitor-send-button/1024938
• https://forum.arduino.cc/t/serial-monitor/698844/4
• https://forum.arduino.cc/t/arduino-ide-2-0-0-rc9-input-in-serial-monitor-is-not-working/1015720/4
• https://forum.arduino.cc/t/arduino-error-message-jan21/1080560/33

Workaround

Press the Enter key to send the message.

Issue checklist

• I searched for previous reports in the issue tracker
• I verified the problem still occurs when using the latest nightly build
• My report contains all necessary details