fdo#85046 change 'List of Changes' to 'Manage Changes' and fix accelerator key

Change-Id: Idf1cfa7a41b6d2a7693220672857c5de79be8c4e
Reviewed-on: https://gerrit.libreoffice.org/12271
Reviewed-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>
Tested-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>