[Bug]: "Save session as..." option does not work #2983

Current Behavior

When I right click in terminal, and choose Save Session As... option, then nothing happens.
"wsh termscrollback -o terminal-log.txt" command is working, but the menu option is not working

Expected Behavior

After clicking on Save Session As..., there should be a dialog about saving the terminal scrollback into text file

Steps To Reproduce

1. Start Waveterm
2. Right click in terminal window
3. Choose Save Session As... option

Wave Version

v0.14.1

Platform

Linux

OS Version/Distribution

Ubuntu 24.04 with Gnome 46 and 26.04 with Gnome 50

Architecture

x64

Anything else?

No response