[Mac app] Use icons from SF Symbols on macOS 11 and higher
On older macOS versions the icons are not changed.
Note: this is a branch from branch – it is rooted at !3227 because it changes the same xib converted to new format.
On older macOS versions the icons are not changed.
Note: this is a branch from branch – it is rooted at !3227 because it changes the same xib converted to new format.