Make restore progress available even when cluster is not

[Michal-Leszczynski]

This PR makes sure that restore progress is available even when the cluster is no longer available.
Previously, view build status wasn't saved into the SM DB and was queried when fetching progress,
which resulted in failure when the cluster was not available.

Sctool progress display

miles@fedora:~/scylla-manager$ ./sctool.dev progress -c myc restore/cb2a069d-dbde-4b36-85c3-8d2b28dc2320
Restore progress
Run:            d9f7d8a6-cf4e-11ef-9526-0892040e83bb
Status:         DONE
Start time:     10 Jan 25 13:31:44 CET
End time:       10 Jan 25 13:33:04 CET
Duration:       1m20s
Progress:       100% | 100%
Snapshot Tag:   sm_20250110121943UTC
Bandwidth:
  - Download:    219.944KiB/s/shard
  - Load&stream: 609B/s/shard

╭───────────────────────────────────────────┬─────────────┬────────────┬────────────┬────────────┬────────╮
│ Keyspace                                  │    Progress │       Size │    Success │ Downloaded │ Failed │
├───────────────────────────────────────────┼─────────────┼────────────┼────────────┼────────────┼────────┤
│ system_distributed                        │ 100% | 100% │ 103.107KiB │ 103.107KiB │ 103.107KiB │     0B │
│ progress_28ecadfdcf4d11ef86910892040e83bb │ 100% | 100% │   5.105KiB │   5.105KiB │   5.105KiB │     0B │
│ system_traces                             │        100% │         0B │         0B │         0B │     0B │
╰───────────────────────────────────────────┴─────────────┴────────────┴────────────┴────────────┴────────╯

Post-restore repair progress
Run:            
Status:         DONE
Start time:     10 Jan 25 13:32:37 CET
End time:       10 Jan 25 13:32:38 CET
Duration:       0s
Progress:       100%
Intensity:      0
Parallel:       0
Datacenters:    
  - dc1
  - dc2

╭────────────────────┬────────────────────────┬──────────┬──────────╮
│ Keyspace           │                  Table │ Progress │ Duration │
├────────────────────┼────────────────────────┼──────────┼──────────┤
│ system_distributed │      view_build_status │ 100%     │ 1s       │
├────────────────────┼────────────────────────┼──────────┼──────────┤
│ system_traces      │                 events │ 100%     │ 1s       │
│ system_traces      │          node_slow_log │ 100%     │ 1s       │
│ system_traces      │ node_slow_log_time_idx │ 100%     │ 1s       │
│ system_traces      │               sessions │ 100%     │ 1s       │
│ system_traces      │      sessions_time_idx │ 100%     │ 1s       │
╰────────────────────┴────────────────────────┴──────────┴──────────╯

Restored views
View: progress_28ecadfdcf4d11ef86910892040e83bb.mv_2b3e64aacf4d11ef86930892040e83bb, Status: SUCCESS

Fixes #4191