Resolve "Unique DN creation may fail for audit plugin"

See merge request fusiondirectory/fd!237

(cherry picked from commit fbc8fa12)

c9318823 🚑 fix(references) Avoid logging removal of references tab
bca8a84a ✨ feat(simpleplugin) Use as many attributes as needed to build a unique DN
7ee453c1 🚑 fix(simpleplugin) Limit Cognitive Complexity
d26a71a6 🚑 fix(simpleplugin) Fix starting point of loop
ce4896f6 🚑 fix(simpleplugin) Fix Cognitive Complexity for Sonar