; Merge from origin/emacs-27

The following commits were skipped:

195bde9ea8 (origin/emacs-27) Don't always resort in recently introduc...
f2a349ba8d Don't force completion recalculation in icomplete-fido-ret
9b1053ba27 Correctly cache sorted completions in icomplete--sorted-co...
b1c3ed9f32 Move flex style's minibuffer-default-aware sorting to lisp...
e3276f36c0 Make fido-mode behave more like ido-mode when finding dire...
fe0ed17175 Slightly simplify lisp/icomplete.el with new icomplete--ca...
5352947d0d Another adjustment to flex completion style's sorting func...