Restore progress icon for the current translation page

Follow-up to I5ab2d70 (43c7cd9e): spotted by Odder, probably
unintended. Hopefully also cleaner as distinct function.

Consistent function comments punctuation.

Change-Id: I7e6de50379292179db3ece3d52bffd67256f0563
Merge "Restore progress icon for the current translation page"