pfSense

Fix net.inet.ip.random_id tunable description (Bug #6087)

Fix handling of 0 for Backup Count. Fixes #7273

GET/POST conversion

Fix #7257: Use pfSense-upgrade to look for new versions

Merge pull request #3541 from phil-davis/getAllowedPages-format

Merge pull request #3540 from phil-davis/get_user_privileges-cache

getAllowedPages consistent code format

Use cached groups in get_user_privileges

Fix ldap_get_groups return value when down

In some places ldap_get_groups has:
```
return memberof;
```
It should have the "$" in front, so it will return the $memberof array (that is empty when this happens).

This causes issues for callers that expect to have a return value that is either false, an empty array, or an array of the groups.

Allow up to siz dashboard columns