Add support of the SORT command

[PokIsemaine]

issues: https://github.com/apache/kvrocks/issues/1952

[PragmaTwice]

Besides, should we limit the element count here? @PragmaTwice . A huge vectorlen can easily causing OOM in our current impl?

Actually I'm thinking to specify a special command tag for such commands that loads all of the data structure, like this one, and HRANDFIELD..

[mapleFU]

Will merge in 1-days if no negative comments

[sonarqubecloud[bot]]

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