As a Page Curation user, I want to be able to send a message to the previous reviewer (if there is a previous reviewer), so that I can easily curate within the Page Curation panel.
**Acceptance Criteria:**
* If a page has been previously reviewed, the current reviewer in Page Curation should be able to send a custom message to the previous reviewer's Talk page
* The user will be able to send a custom message by selecting the recipient in a drop-down, which will be placed above the text box (and replace the "Add a message for the creator" text). Example: https://codepen.io/prtksxna/pen/aboXYbR
* Remove the button for "Send message to creator" below text box.
* Optional (depending on engineering opinion): The user should be able to send a message to either the previous reviewer, the contributor, or both
* If the optional behavior cannot be implemented, we can implement the original and more straight-forward functionality: Allow message to previous reviewer if the article has been reviewed, and allow message to article creator if the article has been unreviewed. The drop-down functionality can remain, in case a volunteer would later like to expand upon it.
**Visual Examples:**
Example of how it used to look (screenshot from video found on [[ https://en.wikipedia.org/wiki/Wikipedia:New_pages_patrol | New Pages Patrol page ] before our changes]):
{F30401521}
Example of how it looks now:
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