Fix rectangle commands when 'indent-tabs-mode' is non-nil

* lisp/rect.el (delete-rectangle, kill-rectangle): Temporarily
bind 'indent-tabs-mode' to nil.  (Bug#67925)
1 job for master in 9 minutes and 57 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Normal
failed #79024
test-lisp-inotify

00:09:57

 
Name Stage Failure
failed
test-lisp-inotify Normal
$ find ${test_name} ! \( -name "*.log" -o -name ${EMACS_TEST_JUNIT_REPORT} \) -type f -delete
$ find ${test_name} -type d -depth -exec rmdir {} + 2>/dev/null
Uploading artifacts...
test-lisp-inotify-24e71050/: found 119 matching files
Uploading artifacts to coordinator... ok
id=79024 responseStatus=201 Created token=rsPQa9gX
Uploading artifacts...
test-lisp-inotify-24e71050/junit-test-report.xml: found 1 matching files

Uploading artifacts to coordinator... ok
id=79024 responseStatus=201 Created token=rsPQa9gX
ERROR: Job failed: exit code 2