Merge branch 'main' of https://github.com/e107-eFiction/efiction-3.5.6
FINALLY - fixed datetime field update issue on some server
fix for link and level for admincreated users
3.5.8.1 warnings, dbconnect, install changes
tmp fix for already defined constant
deprecated PHP 8.1. fix - conversion to array
different check for installed module
replaced tableprefix variable with global
Default tpl - characters on new line fix
#3 Default value for title in stats block
update fix - more fields in the same table
fix for warning about not existing rss pagelink
prevention undefined constant is_MEMBER
fix for default value of IP fields (localhost)