Add support for `stop_at_indent` option for MoveToBeginningOfLine and SelectToBeginningOfLine instead of mixing that with `stop_at_soft_wraps`. Add emacs mapping for `alt-m` (`back-to-indentation`)
Add support for `stop_at_indent` option for MoveToBeginningOfLine and SelectToBeginningOfLine instead of mixing that with `stop_at_soft_wraps`. Add emacs mapping for `alt-m` (`back-to-indentation`)