fix: OverlayPlane module usage for ArrayBuffer, BulkDataURI, and InlineBinary cases, as well as PaletteColor LUTs for ArrayBuffer (i.e. local drag/drop) case (#1546)

platform/core/src/utils/str2ab.js

@@ -0,0 +1,16 @@
+/**
+ * Convert String to ArrayBuffer
+ *
+ * @param {String} str Input String
+ * @return {ArrayBuffer} Output converted ArrayBuffer
+ */
+export default function str2ab(str) {
+  const strLen = str.length;
+  const bytes = new Uint8Array(strLen);
+
+  for (let i = 0; i < strLen; i++) {
+    bytes[i] = str.charCodeAt(i);
+  }
+
+  return bytes.buffer;
+}