Stunprod fixes & add new sprites (#334)

* - tweak: Cleanup snatcherprod and tentacle gun.

* - fix: Cleanup StunprodSystem.

* - add: Snatcherprod on inhand sprites.

Resources/Textures/White/Objects/Weapons/snatcherprod.rsi/meta.json

@@ -1,7 +1,7 @@
 {
   "version": 1,
   "license": "CC-BY-SA-3.0",
-  "copyright": "Taken from tgstation at https://github.com/tgstation/ at d0dffe7ca643db2624424fdcebf45863f85c0448",
+  "copyright": "Taken from tgstation at https://github.com/tgstation/ at d0dffe7ca643db2624424fdcebf45863f85c0448, on inhand sprites by Aviu",
   "size": {
     "x": 32,
     "y": 32
@@ -23,12 +23,56 @@
       ]
     },
     {
-      "name": "inhand-left",
+      "name": "off-inhand-left",
       "directions": 4
     },
     {
-      "name": "inhand-right",
+      "name": "off-inhand-right",
       "directions": 4
+    },
+    {
+      "name": "on-inhand-left",
+      "directions": 4,
+      "delays": [
+        [
+          0.1,
+          0.1
+        ],
+        [
+          0.1,
+          0.1
+        ],
+        [
+          0.1,
+          0.1
+        ],
+        [
+          0.1,
+          0.1
+        ]
+      ]
+    },
+    {
+      "name": "on-inhand-right",
+      "directions": 4,
+      "delays": [
+        [
+          0.1,
+          0.1
+        ],
+        [
+          0.1,
+          0.1
+        ],
+        [
+          0.1,
+          0.1
+        ],
+        [
+          0.1,
+          0.1
+        ]
+      ]
     }
   ]
 }