Post-godmode refactor cleanup (#86718)

## About The Pull Request

Adds some flags that went missing after #86596
Closes #86709

## Changelog
🆑
fix: Snow bears are no longer impervious to all sources of damage
fix: Cameras, living floors and ghost of poly no longer can be pushed
around
/🆑

code/modules/mob/camera/camera.dm

@@ -7,6 +7,7 @@
 	mouse_opacity = MOUSE_OPACITY_TRANSPARENT
 	invisibility = INVISIBILITY_ABSTRACT // No one can see us
 	sight = SEE_SELF
+	status_flags = NONE
 	/// Toggles if the camera can move on shuttles
 	var/move_on_shuttle = FALSE
 	/// Toggles if the camera can use emotes

code/modules/mob/living/basic/pets/parrot/poly.dm

@@ -193,6 +193,7 @@
 	color = "#FFFFFF77"
 	sentience_type = SENTIENCE_BOSS //This is so players can't mindswap into ghost poly to become a literal god
 	incorporeal_move = INCORPOREAL_MOVE_BASIC
+	status_flags = NONE
 	butcher_results = list(/obj/item/ectoplasm = 1)
 	ai_controller = /datum/ai_controller/basic_controller/parrot/ghost
 	speech_probability_rate = 1

code/modules/mob/living/basic/ruin_defender/living_floor.dm

@@ -26,6 +26,7 @@
 	icon_living = "floor"
 	mob_size = MOB_SIZE_HUGE
 	mob_biotypes = MOB_SPECIAL
+	status_flags = NONE
 	death_message = ""
 	unsuitable_atmos_damage = 0
 	minimum_survivable_temperature = 0

code/modules/mob/living/basic/space_fauna/bear/_bear.dm

@@ -42,7 +42,7 @@
 
 /mob/living/basic/bear/Initialize(mapload)
 	. = ..()
-	add_traits(list(TRAIT_SPACEWALK, TRAIT_FENCE_CLIMBER), INNATE_TRAIT)
+	add_traits(list(TRAIT_SPACEWALK, TRAIT_FENCE_CLIMBER, TRAIT_SNOWSTORM_IMMUNE), INNATE_TRAIT)
 	AddElement(/datum/element/ai_retaliate)
 	AddComponent(/datum/component/tree_climber, climbing_distance = 15)
 	AddElement(/datum/element/swabable, CELL_LINE_TABLE_BEAR, CELL_VIRUS_TABLE_GENERIC_MOB, 1, 5)
@@ -90,15 +90,16 @@
 	maxHealth = 250
 	health = 250
 	faction = list(FACTION_NEUTRAL)
+	status_flags = CANPUSH
 
 /mob/living/basic/bear/snow/ancient
 	name = "ancient polar bear"
 	desc = "A grizzled old polar bear, its hide thick enough to make it impervious to almost all weapons."
 	gold_core_spawnable = NO_SPAWN
 
-/mob/living/basic/bear/snow/Initialize(mapload)
+/mob/living/basic/bear/snow/ancient/Initialize(mapload)
 	. = ..()
-	add_traits(list(TRAIT_GODMODE, TRAIT_SNOWSTORM_IMMUNE), INNATE_TRAIT)
+	ADD_TRAIT(src, TRAIT_GODMODE, INNATE_TRAIT)
 
 /mob/living/basic/bear/russian
 	name = "combat bear"