As far as I know there is no way to make it exactly the same as chrome, but honestly I think the ways you can do it in Firefox are better, here are some tips:
you can hover over the tabs and scroll to shift left and right, or click the little arros on either side. It will still always show you what each tab is, and still access all of them.
the tree-style-tabs extension, it’s fairly hard to get into the habit of using and is a big change (I’m still getting used to it myself), but it can make organizing giant tab messes easier. It can be used similarly to tab groups in chrome where you can minimize child tabs
There are some other tab management extensions out there too that you can look further into if you want as well. Hope this helps!
Yeah I definitely understand how it would be frustrating to not get the answer you need. A few things I thought of that would be helpful in finding a solution, what is the expected maximum number of tabs that need to be visible? Or is it that it truly needs to be all of them all the time?
Another user already commented it, but they should look at the tree-style tabs addon. They still won’t be able to see everything no matter what, but depending on screen size it might be able to fit more, and choose what is visible or not. I just started using it and it does take a bit to learn how to use effectively but seems overall better.