feat(dump): Provide the same cli options as the snapshots

Add two cli options for the dump:
- `--ignore-missing-dump`
- `--ignore-dump-if-db-exists`

Fix #2087

meilisearch-http/tests/common/server.rs

@@ -148,6 +148,8 @@ pub fn default_settings(dir: impl AsRef<Path>) -> Opt {
         schedule_snapshot: false,
         snapshot_interval_sec: 0,
         import_dump: None,
+        ignore_missing_dump: false,
+        ignore_dump_if_db_exists: false,
         indexer_options: IndexerOpts {
             // memory has to be unlimited because several meilisearch are running in test context.
             max_memory: MaxMemory::unlimited(),