LAST lighting ext update for a while unless i broke something here (#546)

* last update for now unless i broke something that i'm unaware of

* whoopsie forgot a thing

* masking layering fixed + sprite duplication in settings modal fixed

* sharkpoop's changes

* accidentally applied the changes to thre wrong file (used an old backup by accident)

* do a couple of things, change packaged check

* refuse to create any lights if the ID is "ALL"

* pretend this commit doesnt exist

* ok fine

* ok fine x2

* ok fine x3

* re-add mutation observers to fix bug where the lighting canvas was snapping out of existence when swapping between editor/proj page or going fullscreen

* fix there being a 1px gap when packaging

Author: Gen1xLol