Fix Arabic shaping when eww/shr fill the text to be rendered

* src/hbfont.c (hbfont_shape): Don't use DIRECTION if the current
buffer has bidi reordering disabled.  (Bug#41005)
1 job for emacs-27 in 10 minutes and 29 seconds (queued for 1 second)
Status Job ID Name Coverage
  Test
failed #6235
test-all

00:10:29

 
Name Stage Failure
failed
test-all Test
make[4]: Leaving directory '/builds/emacs/emacs/leim'
make -C ../admin/grammars all EMACS="../../src/bootstrap-emacs"
make[4]: Entering directory '/builds/emacs/emacs/admin/grammars'
GEN ../../lisp/cedet/semantic/bovine/c-by.el
GEN ../../lisp/cedet/semantic/bovine/make-by.el
GEN ../../lisp/cedet/semantic/bovine/scm-by.el
GEN ../../lisp/cedet/semantic/wisent/javat-wy.el
GEN ../../lisp/cedet/semantic/wisent/js-wy.el
ERROR: Job failed: exit code 137