Changes: use number mode keyboard for Qt::ImhDigitsOnly
Changes: use number mode keyboard for Qt::ImhDigitsOnly

RevBy: TrustMe
Details: fixes NB#170191. Might have unnecessary sign or decimal
number chars, but much better than free text.

jpetersen/framework,RHawkeyed/framework,Elleo/framework,binlaten/framework,sil2100/maliit-framework,sil2100/maliit-framework,jpetersen/framework,sil2100/maliit-framework,RHawkeyed/framework,Elleo/framework,sil2100/maliit-framework