Fix injection loading bar

[Lainow]

Checklist before requesting a review

Please delete options that are not relevant.

• I have performed a self-review of my code.
• I have added tests (when available) that prove my fix is effective or that my feature works.
• I have updated the CHANGELOG with a short functional description of the fix or new feature.
• This change requires a documentation update.

Description

• It fixes !43310
• Here is a brief description of what this PR does
  Implementation of a progress bar that tracks the progress of data import. This progress bar is included in the plugin version compatible with GLPI 10.

Screenshots (if appropriate):

[Rom1-B]

Please update CHANGELOG