fix(synchro): suppress warning message (refs #4429)

dependencies are not loaded in the execution scope
fix(synchronize): fix synchronize order (refs #4398)

Fix dialog synchro exec (correct js error)
Fix file synchro callback (correct double call)
Add refresh list handler
Merge pull request #53 from cbonnissent/I4429

Correct synchro (closes #4429, fixes #4398)