* change hotkey * binding * rename Source to Provider * name change * name changes * words * docstring * system commands * add icon click * replace dim with muted * log shutdown errors * Update src/textual/screen.py Co-authored-by: Dave Pearson <davep@davep.org> * fix tests * Wee bit more source->provider rewording --------- Co-authored-by: Dave Pearson <davep@davep.org>