No audio detected message when input device is not detected

If the user has no input device (microphone) detected, then we should have a warning message that should probably appear when trying to record in the Audio Recording tab of the text editor somewhere. We should also disable recording until a device is detected.

<img width="751" height="641" alt="Image" src="https://github.com/user-attachments/assets/a9d32ba7-1b77-43cc-a8b4-a42bc0dacbf1" />