Estimé des coûts et formules de paiement WP 10.3.2

- backend system improved
- minor corrections & code improvements

no change log for this version

no change log for this version

- backend ui improved
- translations improved
- steps builder system improved
- row component visibility condition issue fixed
- minor corrections & improvements

- backend ui improved
- translations improved
- steps builder system improved
- row component visibility condition issue fixed
- minor corrections & improvements

no change log for this version

- calculation system improved
- step builder system improved
- code improvements

no change log for this version

no change log for this version

- form styles improved
- translations improved
- minor code improvements
- form creation wizard improved