incorrect avoidance when not using a shield

[Alessandro-Barbieri]

Bug description

You can block only with a shield equipped but the avoidance reported while not wearing a shield contains the block chance
see

ExtendedCharacterStats/Modules/Data/Defense.lua

Line 83 in 82027f9

avoidance = enemyMissChance + GetDodgeChance() + GetParryChance() + GetBlockChance()

Avoidance while not wearing a shield is an important statistic for fury-prot warriors in classic era

Version

3.3.2 classic era