[bot-10] respawn configured bots

[d47081]

this patch allows to re-spawn same bots as configured, if they are not in use.

still testing on YGGverse server but looks it works well.

ps vscode have formatted empty lines, the fix in client.cpp only at line
c786c8a#diff-cf88165d4f283564472fca1bc224f90a38de2f8f0ed3232bf18b10c8959bf4d9R1370

[d47081]

That's strange - it works but after some time bots strarting respawn with common names

like somewhere BotCreate still generating with default (null) values.
Will check bot.cpp later, maybe the issue is there

And the max quantity of bots is 4, not 8.

Not sure that's related with PR.

[d47081]

I think the reason of mix may be in missed meta update, like:

bot_respawn[index].state = BOT_IS_RESPAWNING;
bot_respawn[index].is_used = FALSE;      // free up this slot

or maybe statuses mismatch on the map change.