* [PM-24143] Add perUserCache$ to SearchService index$
* [PM-24143] Cleanup and optimize isSearchable
* [PM-24143] Remove unused search flags and subscription from the vault-items component
* [PM-24143] Add search text for desktop vault items. Consolidate SearchTextDebounceInterval constant to SearchService
* [PM-24143] Ensure cipher search indexing is non-blocking
* [PM-24143] Remove redundant index ciphers operation
* [PM-24143] Add search performance measurements
* [PM-24143] Remove artificial delay
* [PM-24143] Remove startWith from index$ to avoid basic search with lunr queries
* [PM-24143] Re-organize isSearchable to check long lunr queries for index existence