DB8 return invalid next_id in some cases

:Release Notes:
[DB8] return invalid next_id when result count of "find" is match with limitation count

:Detailed Notes:
Fixed page count calculation

:Testing Performed:
Tested on TV
Unit tests is checked

:QA Notes:

[CMB-1313] [DB8] return invalid next_id when result count of "find" is match with limitation count.

Open-webOS-DCO-1.0-Signed-off-by: Olexandr Solomakha <oleksander.solomakha@lge.com>

Change-Id: I7533ec596d9f9469cb7c6308e9917a24e12516ef
Reviewed-on: https://g2g.lgsvl.com/6542
Reviewed-by: DCO Verification
Tested-by: Olexandr Solomakha <oleksander.solomakha@lge.com>
Reviewed-by: Maksym Sditanov <maxim.sditanov@lge.com>
Reviewed-by: Olexandr Solomakha <oleksander.solomakha@lge.com>