Replace FileIcon with FolderIcon for folder UI elements (#4607)

Co-authored-by: Suchintan Singh <suchintan@skyvern.com>

skyvern-frontend/src/components/icons/FolderIcon.tsx

@@ -0,0 +1,23 @@
+type Props = {
+  className?: string;
+};
+
+function FolderIcon({ className }: Props) {
+  return (
+    <svg
+      xmlns="http://www.w3.org/2000/svg"
+      width="15"
+      height="15"
+      viewBox="0 0 15 15"
+      fill="none"
+      className={className}
+    >
+      <path
+        d="M2 3.5C2 3.22386 2.22386 3 2.5 3H5.5C5.64184 3 5.77652 3.05996 5.86853 3.16438L6.86853 4.33562C6.96054 4.44004 7.09522 4.5 7.23706 4.5H12.5C12.7761 4.5 13 4.72386 13 5V11.5C13 11.7761 12.7761 12 12.5 12H2.5C2.22386 12 2 11.7761 2 11.5V3.5Z"
+        fill="currentColor"
+      />
+    </svg>
+  );
+}
+
+export { FolderIcon };