[FIX] TexField no change and liveChange event

- in Firefog id text is dropped using mouse
- in all browsers using functions of the right-click context menu

Change-Id: Icbc78f5b469ced9eb20af1cdcc100a584374ce75
BCP: 1482010273
CR-Id: 012006153200015178142014
Merge "[FIX] TexField no change and liveChange event" into rel-1.26