Load SAS Emoji translations from @matrix-org/spec (#11429)

* Remove last instance of componentWillMount

* Load SAS Emoji translations from @matrix-org/spec

* Fix import

* Test normalisation on both sides

* update comment for @richvdh

* Delint

package.json

@@ -63,6 +63,7 @@
         "@matrix-org/analytics-events": "^0.6.0",
         "@matrix-org/matrix-wysiwyg": "^2.4.1",
         "@matrix-org/react-sdk-module-api": "^1.0.0",
+        "@matrix-org/spec": "^1.7.0",
         "@sentry/browser": "^7.0.0",
         "@sentry/tracing": "^7.0.0",
         "@testing-library/react-hooks": "^8.0.1",