mgr/dashboard: Locking improvements in bucket create form

mgr/dashboard: Locking improvements in bucket create form

Fixes https://tracker.ceph.com/issues/64658
- Addition of help texts
- Addition of info/warnings related to modes and versioning
- change of Locking section layout
- renaming locking to 'Object Locking'
- changes default retention period to 10
- edit bucket only shows lock when its enabled

Signed-off-by: Afreen <afreen23.git@gmail.com>
(cherry picked from commit 014d4468fce5aadfbc63bd9651c0c66db0bf7f49)

 Conflicts:
	src/pybind/mgr/dashboard/frontend/src/app/shared/components/components.module.ts