Use new validate-rsis for workflow (#12997)

* Use new validate-rsis for workflow

* A

* Add python deps

* --ignore-installed

* Make it only work on RSI changes again.

* Fix a bunch of RSIs.

Resources/Textures/Objects/Consumable/Food/Baked/pizza.rsi/meta.json

@@ -129,6 +129,14 @@
     },
     {
       "name": "vegetable-slice"
+    },
+    {
+      "name": "box-inhand-right",
+      "directions": 4
+    },
+    {
+      "name": "box-inhand-left",
+      "directions": 4
     }
   ]
 }

Resources/Textures/Objects/Consumable/Food/mre.rsi/meta.json

@@ -25,6 +25,9 @@
     {
       "name": "box-trash"
     },
+    {
+      "name": "box-closed"
+    },
     {
       "name": "tin-closed"
     },