Handle png/svg fallback for def.icon values. Remove old pngs

packages/node_modules/@node-red/editor-client/src/js/ui/utils.js

@@ -866,18 +866,33 @@ RED.utils = (function() {
             } else {
                 return RED.settings.apiRootUrl+"icons/"+iconPath.module+"/"+iconPath.file;
             }
-        } else {
+        }
+
+        if (/.png$/i.test(iconPath.file)) {
+            var originalFile = iconPath.file;
+            iconPath.file = iconPath.file.replace(/.png$/,".svg");
+            if (isIconExists(iconPath)) {
+                return RED.settings.apiRootUrl+"icons/"+iconPath.module+"/"+iconPath.file;
+            }
+            iconPath.file = originalFile;
+        }
+
         // This could be a non-core node trying to use a core icon.
         iconPath.module = 'node-red';
         if (isIconExists(iconPath)) {
             return RED.settings.apiRootUrl+"icons/"+iconPath.module+"/"+iconPath.file;
-            } else if (def.category === 'subflows') {
+        }
+        if (/.png$/i.test(iconPath.file)) {
+            iconPath.file = iconPath.file.replace(/.png$/,".svg");
+            if (isIconExists(iconPath)) {
+                return RED.settings.apiRootUrl+"icons/"+iconPath.module+"/"+iconPath.file;
+            }
+        }
+        if (def.category === 'subflows') {
             return RED.settings.apiRootUrl+"icons/node-red/subflow.svg";
-            } else {
+        }
         return RED.settings.apiRootUrl+"icons/node-red/arrow-in.svg";
     }
-        }
-    }
 
     function getNodeLabel(node,defaultLabel) {
         defaultLabel = defaultLabel||"";

packages/node_modules/@node-red/nodes/icons/rpi.svg

@@ -0,0 +1 @@
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