pfSense/pfsense af85efesrc/etc/inc filter_log.inc, src/usr/local/www status_logs_filter.php

Fix empty log files in the GUI. Fixes #9415

Two ways they were empty that I found:
* filterlog log entries now have a pid after the process
* CARP/VRRP entries did not set a source and so were not logged

While here, add CARP details to proto field of GUI log view.
DeltaFile
+14-0src/usr/local/www/status_logs_filter.php
+4-2src/etc/inc/filter_log.inc
+18-22 files

UnifiedSplitRaw