Translations missing

[ane-gabriela]

Preconditions:

• Have the OnlyOffice app already installed with trial license.
• The wiki needs to be multilingual with a couple of popular languages under "Supported Languages" eg. English. French, German, Italian, Chinese
• Have a simple xwiki page with some content for all these languages

Steps to reproduce:

1. Access the page with translations
2. Add .doc, .xls and .ppt files as attachments to that page
3. From the Drawer change the language for that page
4. Select the Attachments tab
5. Hover over the OpenOffice icon
6. Observe the text
7. Click on the icon
8. Click on the "Convert to....." button from the top right
9. Go back to the wiki page
10. Click again on the OpenOffice icon for the same file
11. Observe the button in the top right corner of the page

Expected results: All text/buttons are translated in the selected language.

Actual results:

• The text when the OpenOffice is hovered is in English "View/Convert with OnlyOffice"
• The "Convert to X version" button appears only in English
• The "Edit X version" button appears in English

Environment: Windows 10, XWiki 9.11 Standard with Chrome 78, OnlyOffice Connector Application 1.4

Related to #4