jQuery 3.2 support - replace deprecated size() function

[oxillo]

The .size() function has been deprecated in jQuery 1.8 and removed in 3.0.
Consequently, jui (all components) throws errors.
Replacing .size() by .length (as suggested by jQuery) solves the issue.

[easylogic]

Hi @oxillo

Thanks for your report.

I'll test you and let you know.