How to pass Ctrl+S to the Terminal while keeping its functionality of "Save" for notebooks?

JupyterLab
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1

Is there a quick fix to let the Terminal emulator in JupyterLab accept the Ctrl + S key-combination? For now, while I’m in a terminal session/tab, pressing Ctrl+S doesn’t trigger any event. I tested it by running showkey -a as suggested in this post, and pressing Ctrl+W/A/S/D one at a time. Here is what logged in the terminal session (in Vivaldi):

$ showkey -a                                     

Press any keys - Ctrl-D will terminate this program

^W       23 0027 0x17
^A        1 0001 0x01
^D        4 0004 0x04

Also, does the following greyed out Save item explain why the Ctrl+S events weren’t registered to the terminal emulator?
image

PS: To the best of my knowledge, Vivaldi is the only browser that permits the use of Ctrl+W in the terminal. This is a huge plus for using Vim in the Terminal for moving across panes.

2

One temp solution is to launch the Terminal session from Juptyernotebook. Combined with Vivaldi as the browser, both Ctrl+W and Ctrl+S now work as intended.

To make the terminal occupy the full width and height of the page, I used User CSS to load the following simple CSS:

.container {
    width: 100%;
}