Bug 34511: Typo in manage_staged_records permission description

Bug 34511: Typo in manage_staged_records permission description

This patch corrects a typo in the description of the manage_staged_records permission. All other permission descriptions are in the present tense, but this one is in the past tense.

To test:
0. Apply the patch
1. Go to any patron record
2. Click More > Set permissions
3. Click Show details next to the Use all tools permission
4. Read the description for the manage_staged_records permission, make sure the spelling and grammar are correct

Signed-off-by: hebah <hebah@bywatersolutions.com>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>