CMB-1022: Ensure that the negative sign remains on the left side of numeric values in RTL.

Enyo-DCO-1.1-Signed-off-by: Aaron Tam <aaron.tam@lge.com>
Merge pull request #1557 from enyojs/CMB-1022-aarontam

CMB-1022: Ensure that the negative sign remains on the left side of numeric values  in RTL.