'Select all/unselect all' not working well in calculation history menu

[Evan Wang]

OTA13 RC build r17
$ system-image-cli -i
current build number: 17
device name: frieza
channel: ubuntu-touch/rc/bq-aquaris-pd.en
last update: 2016-09-06 22:56:42
version version: 17
version ubuntu: 20160903
version tag: OTA-13-rc
version device: 20160809.0
version custom: 20160831--42-26-vivid

$ click list |grep -i calculator
com.ubuntu.calculator 2.0.304

Steps to reproduce:
1. Exist multiple calculation history
2. Long press on one calculation from history
3. Tap 'Select all/Unselect all' button from menu on top of the screen

Actual results:
Select all may work at the first try, but then press it to 'Unselect all/select all' does not work.