Core/Scripting: Fix acquiring of references between script swaps

* Delay unloading of shared libraries to the next update tick
  to prevent crashes in the destructor of the last referenced
  script instance.
* Closes #17557

(cherry picked from commit 445746c402485fcac60c02842d0cb5e0dd605e5c)

1 files changed, 7 insertions, 1 deletions

diff --git a/src/server/game/Scripting/ScriptMgr.cpp b/src/server/game/Scripting/ScriptMgr.cpp
index 476b87f2440..d7bfc47bf79 100644
--- a/src/server/game/Scripting/ScriptMgr.cpp
+++ b/src/server/game/Scripting/ScriptMgr.cpp
@@ -987,7 +987,7 @@ void ScriptMgr::Initialize()
     FillSpellSummary();
 
     // Load core scripts
-    SetScriptContext("___static___");
+    SetScriptContext(GetNameOfStaticContext());
 
     // SmartAI
     AddSC_SmartScripts();
@@ -1042,6 +1042,12 @@ void ScriptMgr::SwapScriptContext(bool initialize)
     _currentContext.clear();
 }
 
+std::string const& ScriptMgr::GetNameOfStaticContext()
+{
+    static std::string const name = "___static___";
+    return name;
+}
+
 void ScriptMgr::ReleaseScriptContext(std::string const& context)
 {
     sScriptRegistryCompositum->ReleaseContext(context);