Update redisplay ticks for more operations, and misc modifications
* src/xdisp.c (update_redisplay_ticks): Don't disable redisplay of
mini-windows.
* src/regex-emacs.c (re_match_2_internal):
* src/bidi.c (bidi_find_bracket_pairs, bidi_fetch_char)
(bidi_paragraph_init, bidi_find_other_level_edge): Update the
redisplay tick count as appropriate, when moving the iterator by
one character position actually requires to examine many more
positions.