[BUG] search_rdb_indexes_restored_percent reports incorrect value when RDB load is done

[KarthikSubbarao]

Describe the bug

# search_rdb
search_rdb_current_index_keys_restored_percent:100
search_rdb_indexes_restored_percent:66.666666666666671
search_rdb_load_failure_cnt:0
search_rdb_load_success_cnt:1
search_rdb_restore_backpressure_wait_cycles:3302702
search_rdb_restore_in_progress:0
search_rdb_save_failure_cnt:0
search_rdb_save_success_cnt:0

search_rdb_indexes_restored_percent reports incorrect value when RDB load is done

[Nivesh-01]

This seems to be a bug that happens in CME because the total gets updated with the global metadata as well according to the initial analysis.

[Nivesh-01]

PR for the fix - #1277