i think you can return share workbook to review. because your new function want to share workbook is too trouble for me. why don't make a simple share workbook dock to review?
You’ve provided feedback on the Excel Shared Workbook experience and we would like to know more about how you’ve used this feature and the value it provides. By taking this survey, you can help the Excel team better understand how to prioritize our Collaboration Experiences moving forward.
Your input is greatly appreciated.