When the find bar is invoked from highlighted text, any further invocation of the find bar will by default include the original highlighted text from the first invocation, regardless of user change to the search box content.
When the find bar is closed/hidden, the query content in the search box should be saved, and this content should be used whenever the find bar is invoked in the future.
This is not a regression.
Steps to Reproduce:
1. Highlight text.
2. Invoke search box (command + f on osx).
3. Change search query content (e.g., delete the query) and close the find bar.
4. Don't highlight any text, and invoke the find bar.
The find bar invokes with the query content from the original highlighted text.
The find bar should invoke with the last search content from when it was last closed.