I need to change the Gas Price value in Metamask extension using JS.

What i do:

I open Metamask in separate browser tab and run my JS script in its console - script detects if any new transaction is appeared and clicks the "Edit" gas fee link, after that a window with Gas Limit and Gas Price input fields appears.

There i get the Gas Price input field element in a variable input_field and change (increase) its value (input_field.value = 10). Visually input field changes its value at this step.

But after clicking the "Save" button Gas Price value returns to previous.

So i suppose there some function which i have to run after new gas price value assignment, but can't find which one.

Can anyone help with resolving this?