Update status bar icon color for BigSur

- from 10.14 there are dynamic colors available to reflect system colors.

Author: Lweek

Telegram-Mac/GlobalBadgeNode.swift

@@ -228,9 +228,7 @@ func forceUpdateStatusBarIconByDockTile(sharedContext: SharedAccountContext) {
     if let count = Int(NSApplication.shared.dockTile.badgeLabel ?? "0") {
         var color: NSColor = .black
         if #available(OSX 10.14, *) {
-            if systemAppearance.name != .aqua {
-                color = .white
-            }
+            color = .windowBackgroundColor
         }
         resourcesQueue.async {
             let icon = generateStatusBarIcon(count, color: color)