Changed power "dark_vision", renamed "fox_size"

Changed dark vision to have a toggle to eliminate uncomfortable flickering.
    Gave dark vision the condition to be above 3 hearts health to be used.
Power "fox_size" is now named "small_size" and also added to the avian
Gave origin "avian" the power "small_size" and removed "sprint_jump" from it

data/feathermc/origins/avian.json

@@ -5,11 +5,11 @@
     "id": "minecraft:feather"
   },
   "powers": [
+    "feathermc:small_size",
     "feathermc:frail_flight",
     "origins:fresh_air",
     "feathermc:armor_slow",
-    "origins:lay_eggs",
-    "origins:sprint_jump"
+    "origins:lay_eggs"
   ],
   "order": 0,
   "impact": 2

data/feathermc/origins/fox.json

@@ -5,7 +5,7 @@
     "id": "minecraft:sweet_berries"
   },
   "powers": [
-    "feathermc:fox_size",
+    "feathermc:small_size",
     "feathermc:speedy",
     "feathermc:flammable",
     "origins:sprint_jump",

data/feathermc/powers/dark_vision.json

@@ -1,18 +1,44 @@
 {
-  "type": "origins:night_vision",
-  "strength": 0.5,
-  "name": "Darkvision",
-  "description": "You can see in the dark. Somewhat.",
+  "type": "origins:multiple",
+  "name": "Dark Vision",
+  "description": "You can at will see in the dark. But only if you're not too hurt.",
   "badges": [
     {
       "type": "origins:tooltip",
-      "sprite": "minecraft:textures/item/coal.png",
-      "text": "You gain weak night vision when standing in the dark."
+      "sprite": "minecraft:textures/gui/sprites/hud/full.png",
+      "text": "You can not see in the dark when under 3 hearts."
     }
   ],
-  "condition": {
-    "type": "origins:brightness",
-    "comparison": "<=",
-    "compare_to": 0.3
+  "toggle": {
+    "type": "origins:toggle",
+    "key": {
+      "key": "key.origins.primary_active",
+      "continuous": false
+    },
+    "retain_state": false,
+    "condition": {
+      "type": "origins:health",
+      "comparison": ">=",
+      "compare_to": 6
+    }
+  },
+  "vision": {
+    "type": "origins:night_vision",
+    "retain_state": false,
+    "strength": 0.5,
+    "condition": {
+        "type": "origins:and",
+        "conditions": [
+            {
+               "type": "origins:submerged_in",
+                "fluid": "minecraft:water",
+                "inverted": true
+            },
+            {
+                "type": "origins:power_active",
+                "power": "*:*_toggle"
+            }
+        ]
+    }
   }
 }

data/feathermc/powers/small_size.json

@@ -1,6 +1,6 @@
 {
     "type": "origins:action_on_callback",
-    "name": "Fox sized",
+    "name": "Tiny stature",
     "description": "You're small!",
     "badges": [
         {