add emoji icon

src/frontend/src/CustomNodes/GenericNode/index.tsx

@@ -156,6 +156,9 @@ export default function GenericNode({
                 (!showNode && "justify-center")
               }
             >
+              {data?.node?.icon ? (
+                <span className="text-lg">{data?.node?.icon}</span>
+              ) : (
                 <IconComponent
                   name={data.node?.flow ? "group_components" : name}
                   className={
@@ -164,6 +167,8 @@ export default function GenericNode({
                   }
                   iconColor={`${nodeColors[types[data.type]]}`}
                 />
+              )}
+
               {showNode && (
                 <div className="generic-node-tooltip-div">
                   {nameEditable && inputName ? (