Checkbox :checked is not fully reactive when checkbox is in focus

[xkjyeah]

Example: https://jsfiddle.net/vfmxxzeb/3/

What the example does:

1. Resets values to an array of values every one second
2. Each line has two checkboxes, both of which are bound to the same value

Steps to reproduce:

1. Click on the enabled checkbox on any line

Expected behaviour:

1. After one second, the value should be reset. Both checkboxes should reflect the same value

Actual behaviour (tested on Chrome):

1. The disabled checkbox correctly reflects the value, but the enabled checkbox does not reflect the value. The enabled checkbox will reflect the correct value only after blurring from the checkbox

[defcc]

Thanks @xkjyeah, I'll try to fix it.