[box] build_indexes: separate arrays building from trees building
[box] build_indexes: separate arrays building from trees building

dkorolev/tarantool,vasilenkomike/tarantool,dkorolev/tarantool,nvoron23/tarantool,guard163/tarantool,KlonD90/tarantool,dkorolev/tarantool,condor-the-bird/tarantool,Sannis/tarantool,KlonD90/tarantool,ocelot-inc/tarantool,rtsisyk/tarantool,nvoron23/tarantool,condor-the-bird/tarantool,vasilenkomike/tarantool,KlonD90/tarantool,mejedi/tarantool,Sannis/tarantool,mejedi/tarantool,nvoron23/tarantool,Sannis/tarantool,rtsisyk/tarantool,dkorolev/tarantool,Sannis/tarantool,condor-the-bird/tarantool,vasilenkomike/tarantool,ocelot-inc/tarantool,mejedi/tarantool,guard163/tarantool,vasilenkomike/tarantool,dkorolev/tarantool,vasilenkomike/tarantool,guard163/tarantool,guard163/tarantool,Sannis/tarantool,nvoron23/tarantool,rtsisyk/tarantool,mejedi/tarantool,guard163/tarantool,ocelot-inc/tarantool,rtsisyk/tarantool,ocelot-inc/tarantool,condor-the-bird/tarantool,nvoron23/tarantool,KlonD90/tarantool,KlonD90/tarantool,nvoron23/tarantool,condor-the-bird/tarantool