Add --allowerasing for Fedora install

to fix:

Problem: systemd-257.3-7.fc42.i686 from fedora has inferior architecture
  - package gap-pkg-scscp-2.4.3-5.fc42.noarch from fedora requires systemd, but none of the providers can be installed
  - problem with installed package
  - installed package systemd-standalone-tmpfiles-257.10-1.fc42.x86_64 conflicts with systemd provided by systemd-257.3-7.fc42.x86_64 from fedora
  - package systemd-standalone-tmpfiles-257.10-1.fc42.x86_64 from updates conflicts with systemd provided by systemd-257.3-7.fc42.x86_64 from fedora
  - package systemd-257.3-7.fc42.x86_64 from fedora conflicts with systemd-standalone-tmpfiles provided by systemd-standalone-tmpfiles-257.3-7.fc42.x86_64 from fedora
  - systemd-257.10-1.fc42.i686 from updates has inferior architecture
  - installed package systemd-standalone-tmpfiles-257.10-1.fc42.x86_64 conflicts with systemd provided by systemd-257.10-1.fc42.x86_64 from updates
  - package systemd-257.10-1.fc42.x86_64 from updates conflicts with systemd-standalone-tmpfiles provided by systemd-standalone-tmpfiles-257.10-1.fc42.x86_64 from updates
  - package systemd-257.10-1.fc42.x86_64 from updates conflicts with systemd-standalone-tmpfiles provided by systemd-standalone-tmpfiles-257.3-7.fc42.x86_64 from fedora
  - conflicting requests

Author: tobiasdiez

build/bin/sage-print-system-package-command

@@ -153,7 +153,7 @@ case $system:$command in
         fi
         ;;
     @(fedora*|redhat*|centos*):install)
-        [ "$YES" = yes ] && options="$options -y"
+        [ "$YES" = yes ] && options="$options -y --allowerasing"
         [ "$IGNORE_MISSING" = yes ] && options="$options --skip-unavailable"
         [ -n "$system_packages" ] && print_shell_command ${SUDO}dnf install $options $system_packages
         ;;