yast2-snapper: Fixed view on 1024x768 solution
This update fixes the following issue for snapper:
-731363: fixed view on 1024x768 solution
-731687: there might be other configs than 'root'
- Submitted by Jiří Suchomel (jsuchome)
Fixed bugs
bnc#731363
snapper UI is unusable at 1024x768
bnc#731687
yast2 snapper fails if root config is unavailable but other configs are