[POE2] prevent enemy detonation effects on player gas clouds

- this interferes with poison stacking for poison builds and is therefore incredibly annoying
- which enemy effects trigger explosions feels very inconsistent: the clouds are seemingly unaffected by most fire effects, yet other very similar ones cause detonations
- the fire ground in some boss fights such as tor gul the defiler or azarian the forsaken son in act 2 make it almost impossible to place gas clouds without them detonating immediately

Burning ground in maps also detonates it.