Saving as Flipper Zero format (.sub) seems to be wrong

Expected Behavior

I recorded a signal that took less than a second to send and saved it as Flipper Zero format (.sub). Expected to use the Flipper device for sending this signal.

Actual Behavior

A very long file was created, hundreds of lines. It took more than a minute to Flipper to send its content, until I stopped it before ending.

Steps To Reproduce

1. Go to "Record Signal" window.
2. Record a signal.
3. Save it with ".sub" extension.
4. Copy the file to Flipper Zero device and try to broadcast it.

Screenshots

The original signal:

The signal Flipper sends after saving the original signal as ".sub" format (stopped before ending):

Platform Specifications

• OS: Ubuntu 22.04.3
• URH version: 2.9.4
• Python version: 3.10.12
• Installed via pip3