fix text fields: watch input $modelValue
fix text fields: watch input $modelValue

Before, model input was watched with $viewChangeListeners method. But,
the model wasn’t correctly watched when changing it programmatically.
Now, we watch $modelValue and everything works fine.

ezzye/write-to-be-heard,lumapps/lumX,Ener-Getick/lumX,jefvel/lumX,jayaguilar/lumX,jefvel/lumX,b-cuts/lumX,bright-sparks/lumX,daniel-oliveiravas/lumX,terradatum/lumX,clementprevot/lumX,daniel-oliveiravas/lumX,lumapps/lumX,ezzye/write-to-be-heard,b-cuts/lumX,jason588/lumX,jefvel/lumX,lumapps/lumX,bright-sparks/lumX,jefvel/lumX,daniel-oliveiravas/lumX,bright-sparks/lumX,ezzye/write-to-be-heard,terradatum/lumX,bijeeshtk/lumx,clementprevot/lumX,Ener-Getick/lumX,noikiy/lumX,Ener-Getick/lumX,clementprevot/lumX,bijeeshtk/lumx,hinablue/lumX,jason588/lumX,jayaguilar/lumX,terradatum/lumX,b-cuts/lumX,b-cuts/lumX,terradatum/lumX,daniel-oliveiravas/lumX,jayaguilar/lumX,ezzye/write-to-be-heard,bright-sparks/lumX,bijeeshtk/lumx,cupceavictor/lumX,clementprevot/lumX,noikiy/lumX,itxd/lumX,noikiy/lumX,jason588/lumX,bijeeshtk/lumx,noikiy/lumX,jason588/lumX,hinablue/lumX,lumapps/lumX,cupceavictor/lumX,cupceavictor/lumX,hinablue/lumX,itxd/lumX,cupceavictor/lumX,itxd/lumX,jayaguilar/lumX,itxd/lumX,hinablue/lumX,Ener-Getick/lumX