Created attachment 142797 [details]
dialog box partially translated

## Steps to reproduce
* Create a new spreadsheet
* insert a chart to open the chart wizard
* close the chart wizard
* right click on a component of the chart to open the contextual menu
* select "Data Ranges"


## Actual behaviour

* The dialog boxes and the contextual menu aren't completely translated. Some texts are in french, some texts are in english. The contextual menu is in english.

## Expected behaviour

* all texts should be translated

## General server configuration

**Operating system:** Linux 3.10.0-693.21.1.el7.x86_64 Centos 
CentOS Linux release 7.4.1708 (Core) 

**Webserver:** Apache/2.4.6 (CentOS)

**Database:** mysql 5.5.56

**PHP version:** 7.2.5
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**LibreOffice Online version:** Collabora Online 3.2.2

**Nextcloud version:** 13.0.4

** richdocuments version:**  2.0.9