Adding back the 5px padding left of back/forward nav buttons (Windows only)
Adding back the 5px padding left of back/forward nav buttons (Windows only)

Fixes https://github.com/brave/browser-laptop/issues/4624

Auditors: da39a3ee5e6b4b0d3255bfef95601890afd80709@luixxiul

dcposch/browser-laptop,timborden/browser-laptop,willy-b/browser-laptop,pmkary/braver,darkdh/browser-laptop,luixxiul/browser-laptop,Sh1d0w/browser-laptop,willy-b/browser-laptop,pmkary/braver,luixxiul/browser-laptop,jonathansampson/browser-laptop,willy-b/browser-laptop,timborden/browser-laptop,willy-b/browser-laptop,dcposch/browser-laptop,darkdh/browser-laptop,diasdavid/browser-laptop,jonathansampson/browser-laptop,diasdavid/browser-laptop,jonathansampson/browser-laptop,timborden/browser-laptop,dcposch/browser-laptop,darkdh/browser-laptop,diasdavid/browser-laptop,pmkary/braver,luixxiul/browser-laptop,darkdh/browser-laptop,Sh1d0w/browser-laptop,Sh1d0w/browser-laptop,dcposch/browser-laptop,timborden/browser-laptop,pmkary/braver,Sh1d0w/browser-laptop,jonathansampson/browser-laptop,diasdavid/browser-laptop,luixxiul/browser-laptop