Nautilus context menu for current directory when there's lots of files / "Open in Terminal"
Go to the directory where you want to open in terminal. Make sure your cursor in inside in window (where files are displayed). If a file is selected, press the Ctrl + Space to deselect it. Then press Option key.
Then context menu pops up. Now you can select the open in terminal option.
I know, this is not a real answer to the question.
But it is an alternative to achieve what OP requests as Nautilus does not natively offer a solution:
Use Nemo.
There you can add a button in the Toolbar to open Terminal in current folder.
More on Nemo:
- How do I install Nemo file manager?
- Make nemo the default file browser
- How to replace Nautilius with Nemo in Gnome 3