Check against $wgAbuseFilterRestrictedActions instead of hardcoded list for block actions

Currently $wgAbuseFilterDisallowGlobalLocalBlocks checks against a
hardcoded list for "block actions", which means that extensions
like GlobalBlocking cannot add actions to it.

Change-Id: I6ac5125782cf0029447948d6d0080103700e397c
Merge "Check against $wgAbuseFilterRestrictedActions instead of hardcoded list for block actions"