Bug 31204: Clearly indicate edit buttons are for record modification

Bug 31204: Clearly indicate edit buttons are for record modification

To test:
1. Apply patch
2. Do a search and select some records
3. On the toolbar (#selection_ops) open the Edit dropdown.
4. The labels should read 'Batch edit records' and 'Batch delete records'.

Note: To see both you must have batchmod and batchdelete permission.

Signed-off-by: Sally <sally.healey@cheshiresharedservices.gov.uk>
Signed-off-by: Joonas Kylmälä <joonas.kylmala@iki.fi>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 7ce420ed82862e750b7a6a46c66c5cf1587f5e7d)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
(cherry picked from commit eeaeb57f254a04c137a3bec133720523c8a68f8c)
Signed-off-by: Arthur Suzuki <arthur.suzuki@biblibre.com>