(Re)Adds open bolt animations for gun sprites (#17219)

Co-authored-by: and_a <and_a@DESKTOP-RJENGIR>
Co-authored-by: metalgearsloth <comedian_vs_clown@hotmail.com>

Resources/Textures/Objects/Weapons/Guns/Revolvers/inspector.rsi/meta.json

@@ -10,6 +10,9 @@
         {
             "name": "icon"
         },
+        {
+            "name": "bolt-open"
+        },
         {
             "name": "inhand-left",
             "directions": 4

Resources/Textures/Objects/Weapons/Guns/Revolvers/mateba.rsi/meta.json

@@ -10,6 +10,9 @@
         {
             "name": "icon"
         },
+        {
+            "name": "bolt-open"
+        },
         {
             "name": "inhand-left",
             "directions": 4

Resources/Textures/Objects/Weapons/Guns/Revolvers/pirate_revolver.rsi/meta.json

@@ -6,21 +6,24 @@
     "x": 32,
     "y": 32
   },
-  "states": [
-    {
-      "name": "inhand-left",
-      "directions": 4
-    },
-    {
-      "name": "icon"
-    },
-    {
-      "name": "inhand-right",
-      "directions": 4
-    },
-	{
-	  "name": "equipped-BELT",
-	  "directions": 4
-	}
-  ]
+    "states": [
+        {
+            "name": "inhand-left",
+            "directions": 4
+        },
+        {
+            "name": "icon"
+        },
+        {
+            "name": "bolt-open"
+        },
+        {
+            "name": "inhand-right",
+            "directions": 4
+        },
+        {
+            "name": "equipped-BELT",
+            "directions": 4
+        }
+    ]
 }

Resources/Textures/Objects/Weapons/Guns/Revolvers/python.rsi/meta.json

@@ -10,6 +10,9 @@
         {
             "name": "icon"
         },
+        {
+            "name": "bolt-open"
+        },
         {
             "name": "inhand-left",
             "directions": 4