CMS-2903 Fix 100% scaling for all Input types that are currently not filling the available form space

stratching inputs with 100% width
CMS-2903 Fix 100% scaling for all Input types that are currently not filling the available form space

image-selector polishing
Merge pull request #576 from enonic/CMS-2903

CMS-2903 Fix 100% scaling for all Input types that are currently not fil...