update 4.27 branch to newest changes in 4.26
also check whether HitActor is not nullptr on Tick (apparently Actor can be nullptr even if isSet is true) adding to the fix in commit 9de243b2
Aufgrund einer Wartung am 14.05 von 8:00 bis 09:00 Uhr wird das System kurzfristig nicht zur Verfügung stehen. -- Due to maintenance on May the 14th from 8:00 am to 09:00 am the system will temporarily not be available.
also check whether HitActor is not nullptr on Tick (apparently Actor can be nullptr even if isSet is true) adding to the fix in commit 9de243b2