mgr/dashboard: Fix bugs in a unit test and i18n translation

mgr/dashboard: Fix bugs in a unit test and i18n translation

* SKIP: Unknown argument type: 'BinaryExpression' NodeObject { ... text: 'You can activate the module on the Telemetry configuration '
* WARNING: /ceph/src/pybind/mgr/dashboard/frontend/src/app/ceph/rgw/rgw-bucket-list/rgw-bucket-list.component.spec.ts:39:32 - get is deprecated: from v9.0.0 use TestBed.inject

Fixes: https://tracker.ceph.com/issues/46371
Signed-off-by: Volker Theile <vtheile@suse.com>
(cherry picked from commit 656727a3159ccae7aaaf3ce027b41ad36e3a21d4)

Conflicts:
	src/pybind/mgr/dashboard/frontend/src/app/shared/components/telemetry-notification/telemetry-notification.component.ts
	Replaced `TestBed.inject` by `TestBed.get` as Angular 9 has not been backported.