Prioritize pasting text/plain if both text/plain and text/image are copied into the clipboard

Author: AbhayVAshokan

src/components/Editor/CustomExtensions/Image/ExtensionConfig.js

@@ -182,6 +182,14 @@ export default Node.create({
                   $anchor: { pos },
                 },
               } = view.state;
+
+              // Microsoft Excel and a few other products might copy content as
+              // both `text/plain` and `text/html`. If `text/plain` exists,
+              // an early return will ensure that it fallbacks to tiptap's
+              // default paste behavior.
+              const text = event?.clipboardData?.getData("text/plain");
+              if (text) return;
+
               const hasFiles = event.clipboardData?.files?.length;
 
               if (!hasFiles) return;