[macOS] Update Info window.

Use SF Symbols on macOS 11+

Use NSSegmentedControl instead of custom view.

Add NSImage extension to fallback loading from
assets on macOS 10.15 and older.

Also should fix sizing issues when changing pane from Options
to Files.

Fixes #2247

macosx/NSImageAdditions.mm

@@ -40,4 +40,14 @@
     return coloredImage;
 }
 
++ (NSImage*)systemSymbol:(NSString*)symbolName withFallback:(NSString*)fallbackName
+{
+    if (@available(macOS 11.0, *))
+    {
+        return [NSImage imageWithSystemSymbolName:symbolName accessibilityDescription:nil];
+    }
+
+    return [NSImage imageNamed:fallbackName];
+}
+
 @end