Add mono audio source crosslink and missing animation locale key

- Make parent audio source badge on mono cards a clickable crosslink
  that navigates to the multichannel source card
- Add missing color_strip.animation.type.none.desc locale key in
  en/ru/zh

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

server/src/wled_controller/static/locales/en.json

@@ -639,6 +639,7 @@
   "color_strip.animation.type": "Effect:",
   "color_strip.animation.type.hint": "Animation effect to apply.",
   "color_strip.animation.type.none": "None (no animation effect)",
+  "color_strip.animation.type.none.desc": "Static colors with no animation",
   "color_strip.animation.type.breathing": "Breathing",
   "color_strip.animation.type.breathing.desc": "Smooth brightness fade in and out",
   "color_strip.animation.type.color_cycle": "Color Cycle",