message: Fixed background color issue in macOS dark mode (mac), closes
diff: - (void)setFocused:(BOOL)focus
  {
  - NSString *color = @"#ffffff";
  + NSColor *color = [NSColor textBackgroundColor];
  if (focus == YES)
  {
  - color = @"#f4f4f4";
  + color = [NSColor selectedTextBackgroundColor];
  }
  - [self.backgroundBox setFillColor:[ConvertHexColor hexCodeToNSColor:color]];
  + [self.backgroundBox setFillColor:color];
  }
  - (NSMutableAttributedString *)setFormatedText:(AutocompleteItem *)view_item
  