pfSense

Show patchlevel together with product version on banners and system information widget

Ensure $nat_if_list is always an array before it is used as one. Fixes #6307

Bump net.raw.recvspace and sendspace defaults. Ticket #6223

Fix extrat return statement

(cherry picked from commit 09c7fae46d2757815c1e4e5ead7c9896783e7013)

Fix #6137:

- Uninstall all packages on current system before upgrade using
pre_upgrade_command script
- Create a file containing all packages previously installed and
reinstall them on first boot after upgrade

Test for internet connection 3 times trying to reinstall packages after upgrade or config restore. Fixes #6180

Omit local identifier for mobile PSKs. Ticket #6286

Provide better messages for invalid alias name errors

(cherry picked from commit e1f5381f4ecae20922a379b75820af1c9e57927e)

Reduce values of FETCH_TIMEOUT and FETCH_RETRY to help ticket #6177

Don't foreach unless it's an array. Ticket #6142

Similar thing to https://github.com/pfsense/pfsense/commit/13dab3538fe8b6c1688142c89a017520ad0aaac6 should be done here in upgrade_130_to_131()