[3.3.5] Combat/Threat rewrite - prep & refactor (#19966)

* Combat/Threat rewrite (PR #19930) prep work. Mostly refactors, and a compatibility layer on ThreatManager/HostileReference that allows scripts to be changed already.

(cherry picked from commit e2a1ccd118d129b96e09ff1a15ed0adb1d4a3897)

1 files changed, 1 insertions, 0 deletions

diff --git a/src/common/Utilities/IteratorPair.h b/src/common/Utilities/IteratorPair.h
index 319fadada09..cc8407e5fbd 100644
--- a/src/common/Utilities/IteratorPair.h
+++ b/src/common/Utilities/IteratorPair.h
@@ -33,6 +33,7 @@ namespace Trinity
     {
     public:
         IteratorPair() : _iterators() { }
+        IteratorPair(iterator first, iterator second) : _iterators(first, second) { }
         IteratorPair(std::pair<iterator, iterator> iterators) : _iterators(iterators) { }
 
         iterator begin() const { return _iterators.first; }