Fix numpad Enter on Linux

See merge request alchemy/alchemy-next!43

Signed-off-by: Miezhiko <Miezhiko@gmail.com>

No maximize!

See merge request alchemy/alchemy-next!38

Reverting this change: https://git.alchemyviewer.org/alchemy/alchemy-next/-/commit/dfb243cd953423e69afb0e9ea48efc9047226763


It's not like "fully immersing myself in the experience" =_= but more like annoying when app goes fullscreen every run before login

Signed-off-by: Miezhiko <Miezhiko@gmail.com>

Remove double atmospherics from water for better matching of atmospheric haze against terrain and objects in deferred

Allow early discard of pointlights in deferred when dist_atten is zero or negative as result will be 0

Fix inconsistency of application of amb_da between class1 spotLightF and class1 multiSpotF, class 2 spotlight shaders