[connector][perl] bugfix: rr balancing always reselects server
[connector][perl] bugfix: rr balancing always reselects server

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