🐛(i18n) fix key that contain colon

Keys that contains colon where not being
translated correctly. This was due to the
colon being used as a separator for the
key and the value. This was fixed by
replacing the colon with a different
character that is not used in the key
or the value.

Author: AntoLC

src/frontend/apps/impress/src/i18n/initI18n.ts

@@ -14,6 +14,7 @@ i18n
       escapeValue: false,
     },
     preload: LANGUAGES_ALLOWED,
+    nsSeparator: '||',
   })
   .catch(() => {
     throw new Error('i18n initialization failed');