Fixed Demon Seed spell of Ashes of'Urhrok from taking two turns when it auto-attaches a seed to your inventory

New hook "Zone:InfiniteDungeon:loadNPCs"

Misc (mostly bugfixes)

The only significant (non-bugfix) change in this MR is to slightly reduce the size of Reknor, which I propose because Reknor is a giant zone immediately on the heels of another giant zone, which leads to a slog.  

Many of the bugfixes included in this merge request are courtesy of minmay, taken with permission from minmay's [bugfix](https://te4.org/games/addons/tome/meteor-fix) addon.

See merge request !637

This reverts commit 306b6a91

Switch chat channel is now unbound by default, as it's not used much and people ended up on different channels by mistake

Updated the way escorts are coded to make them easier to mod. To avoid stuff exploding too much in addons, the old hooks are disabled and now two new ones took their place "EscortRewards:givers" and "EscortRewards:rewards"

Fix rnd_boss_restrict=true will trigger a bug.

Let `rnd_boss_restrict` use `util.getval` interface to make it support defination like `rnd_boss_restrict = true` (in `data/talents/celestial/combat.lua:130`)

Bug report:
```
Lua Error: /mod/class/GameState.lua:2218: attempt to call field 'rnd_boss_restrict' (a boolean value)
```

See merge request !639

Bug report:
Lua Error: /mod/class/GameState.lua:2218: attempt to call field 'rnd_boss_restrict' (a boolean value)

Make using item respect preUseTalent

Currently, using item talent will not check talent's on_pre_use.

For example, Threads of Fate can use See the Threads infinite times on a same map, which is contrary to talent description.

This patch will make it check `actor:preUseTalent`, with `force_talent_ignore_ressources=1`

The HotkeysIconsDisplay is also modified to check preUseTalent.

This would need some tests to see if it would break any item talents.

See merge request !629

Reknor is a huge area immediately following another huge area and isn't paricularly interesting, leading to a bit of a slog (not in a good way) to make it to the east

Fix marauder, archer, and skirmisher not being taught poisons when siding with assassin lord for the first time to unlock the category on an account