Native stack traces: registers are hidden, button to show them is displaced

[kahest]

Native stack traces can show registers in the top frame. Currently, they are hidden initially/by default and need to be expanded manually, but the way to do so is easy to miss and unintuitive - an unlabelled button:

Also, if the top frame is followed by a system frame, it shows a Show/Hide x more frame(s) label, which causes the button to break into the next line, all the way to the left:

Besides fixing the above displacement of the button, I suggest to always show the "teaser" view of the registers initially, like this:

[getsantry]

Routing to @getsentry/product-owners-issues for triage ⏲️

[armenzg]

Thanks for filing!

[nipunh]

@armenzg Can i work on this issue?

[armenzg]

@nipunh feel free to do so! Let me know when you put up a PR.

[armenzg]

Thank you!