Bug: Edited Glance resets to default data fields when power is cycled

Device: GPSMAP H1i Plus

Firmware: 10.13

To reproduce:

1. Go to the Hiking Data Fields Page

2. Long press a glance and then touch Edit Glance

3. Change the glance's data fields

4. Turn the device off and then back on

5. Go to the Hiking Data Fields Page.  Edited glance has now been reset to default data fields!