Traceback from the Files pane (AttributeError: 'FindInFilesWidget' object has no attribute 'extras_toolbar')

[dalthviz]

There is an error in the console regarding the Files pane (running with master):

Traceback (most recent call last):
  File "C:\Users\Daniel\Documents\Spyder\Spyder otros\gonzalo\spyder\spyder\plugins\findinfiles\widgets.py", line 984, in <lambda>
    toggled=lambda val: self.set_option('more_options', val),
  File "C:\Users\Daniel\Documents\Spyder\Spyder otros\gonzalo\spyder\spyder\api\widgets\mixins.py", line 143, in set_option
    self._set_option(option, value, emit=True)
  File "C:\Users\Daniel\Documents\Spyder\Spyder otros\gonzalo\spyder\spyder\api\widgets\mixins.py", line 96, in _set_option
    self.on_option_update(option, value)
  File "C:\Users\Daniel\Documents\Spyder\Spyder otros\gonzalo\spyder\spyder\plugins\findinfiles\widgets.py", line 1053, in on_option_update
    self.extras_toolbar.setVisible(value)
AttributeError: 'FindInFilesWidget' object has no attribute 'extras_toolbar'

Originally posted by @dalthviz in #12196 (comment)