[client] Allow freebsd to build netbird-ui (#3212)

client/ui/font_darwin.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"os"
+
+	log "github.com/sirupsen/logrus"
+)
+
+const defaultFontPath = "/Library/Fonts/Arial Unicode.ttf"
+
+func (s *serviceClient) setDefaultFonts() {
+	if _, err := os.Stat(defaultFontPath); err != nil {
+		log.Errorf("Failed to find default font file: %v", err)
+		return
+	}
+
+	os.Setenv("FYNE_FONT", defaultFontPath)
+}