Some i18n labels are missing

[chenejac]

Describe the bug
the translation for the following UI label keys are not present for all languages:

• password_system_has_changed
• confirm_individual_deletion
• file_upload_error_file_size_is_zero
• file_upload_error_supported_actions
• file_upload_error_media_type_not_allowed
• file_upload_subject
• file_upload_confirm_delete
• file_upload_submit_label
• file_upload_error_file_not_found
• file_upload_predicate
• file_upload_error_file_is_too_big
• file_upload_supported_media
• file_upload_error_file_type_not_recognized
• file_upload_no_allowed_media
• file_upload_error_uri_not_exists
• file_upload_file
• file_upload_error_no_action
• file_upload_error_uri_not_given
• file_upload_heading

To Reproduce

1. Include support for languages in runtime.properties
2. Run VIVO
3. Change UI language/locale (to non en-US)
4. Try to upload a file by following instructions described at Upload documents in Vitro|VIVO Vitro#251
5. Check UI labels translations

Expected behavior
translations should be added

Environment (please complete the following information):

• VIVO version 1.14.0

Additional context
Add any other context about the problem here.