Fix/oort 627 issue when inviting user

[AntoineRelief]

Description

Added a request to the server to check the status of the application before sending the invitations.
Edited the en.json and fr.json files to add the corresponding error messages.
Added a query to the server to get the status of the application.

Ticket

Ticket OORT-627
Previous pr

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

• Tried to invite user when the application isn't published, got the error message showing
• Couldn't test if the emails are sending or not because I don't have my .env file configured properly 😔

Sreenshots

Checklist:

( * == Mandatory )

• * My code follows the style guidelines of this project
• * Linting does not generate new warnings
• * I have performed a self-review of my own code
• * I have commented my code, particularly in hard-to-understand areas
• * I have put JSDoc comment in all required places
• * My changes generate no new warnings
• * I have included screenshots describing my changes if relevant
• * I have included screenshots describing my changes if relevant
• * I have selected labels in the Pull Request, according to the changes with code brings
• I have made corresponding changes to the documentation ( if required )
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules