Merge branch '5903-plugins-sinaps-acquisition-to-sinaps-not-working-if-some-contactmethod-are-modified' into '1.4-dev'

Resolve "plugins SINAPS : acquisition to sinaps not working if some ContactMethod are modified"

See merge request fusiondirectory/fd-plugins!424

(cherry picked from commit 540f3289)

84cbfe91 🚑 fix(sinaps) Fix handling of empty end of contract date