add message when falling-back to English (#5847)
add message when falling-back to English (#5847)

* add message when falling-back to English

* Update kuma/javascript/src/article.jsx

Co-Authored-By: Schalk Neethling <481ebc2dfa77e66ebd2a3c1118a28dae34a0a024@gmail.com>

* use className instead of class

* Remove id="doc-pending-fallback"

Co-Authored-By: Peter Bengtsson <9e15e51abda21feef6611c5147963b27bef7b605@mozilla.com>

* track not-translated from react too

* use GAProvider.context

escattone/kuma,mozilla/kuma,mozilla/kuma,Elchi3/kuma,a2sheppy/kuma,Elchi3/kuma,mozilla/kuma,a2sheppy/kuma,escattone/kuma,Elchi3/kuma,mozilla/kuma,escattone/kuma,Elchi3/kuma,Elchi3/kuma,a2sheppy/kuma,mozilla/kuma,a2sheppy/kuma,a2sheppy/kuma