LPS-51275 Remove redundant namespace

The aui:button taglib adds the namespace to the id attribute.
LPS-51275 Expose ddmForm component
LPS-51275 Serialize form before ajax call
LPS-51275 SF
LPS-51291 Fixing validation for required fields.
LPS-51291 Test - Covering more logical branches for the DDMFormValuesValidator
LPS-51291 Iterate though all available locales
LPS-51291 SF
LPS-51291 SF