Fix update extrafield do not display immediatly


Change-Id: I3d7bc928bf2428e4a96c61fd9d22e8235792dfe7
Fix Bug with canvas
Fix canvas feature broken
Merge branch '3.4' of https://github.com/Dolibarr/dolibarr.git into 3.4

Conflicts:
	ChangeLog
Merge pull request #1177 from FHenry/3.4

Fix update extrafield do not display immediatly