Implement taskbar icon badges so that multiple Brave profiles can be visually distinct

Neither Brave, Chrome nor Firefox for Linux currently support taskbar icon badges to differentiate multiple browser profiles that are open simultaneously. This is keeping many of us on Windows who use multiple browser profiles and would otherwise to switch to Linux. Implementing this would give Brave an edge over all other Linux browsers currently, which all seem to lack the integration necessary for this to function as it does in Windows.