SYMPTOM:
The position of a toggle shifts to another column when drilling on an interactive grid widget containing derived metrics in Strategy Mobile 10.x for iOS.
Follow the steps below to reproduce the issue in Tutorial project:
Before drilling:
The toggle is on 3rd column.

After drilling:
The toggle appears for 1st column.

CAUSE:
This is a known issue with Strategy Mobile 10.x for iOS.
ACTION:
This issue has been fixed in Strategy Mobile 10.9 and newer, upgrade this version to take advantage of the fix.
KB09009