Revert part of "Core: Removed unused functions (leftovers from sd2, was needed when scripts were built as separate dll)", this part wasnt intended

This reverts commit partly e1bacef346.

src/server/game/Globals/ObjectMgr.cpp

@@ -9180,6 +9180,11 @@ bool LoadTrinityStrings(char const* table, int32 start_value, int32 end_value)
     return sObjectMgr->LoadTrinityStrings(table, start_value, end_value);
 }
 
+uint32 GetScriptId(const char *name)
+{
+    return sObjectMgr->GetScriptId(name);
+}
+
 CreatureBaseStats const* ObjectMgr::GetCreatureBaseStats(uint8 level, uint8 unitClass)
 {
     CreatureBaseStatsMap::const_iterator it = m_creatureBaseStatsMap.find(MAKE_PAIR16(level,unitClass));

src/server/game/Globals/ObjectMgr.h

@@ -1421,5 +1421,6 @@ class ObjectMgr
 
 // scripting access functions
 bool LoadTrinityStrings(char const* table,int32 start_value = MAX_CREATURE_AI_TEXT_STRING_ID, int32 end_value = std::numeric_limits<int32>::min());
+uint32 GetScriptId(const char *name);
 
 #endif

src/server/game/Scripting/ScriptMgr.h

@@ -1007,7 +1007,7 @@ class ScriptMgr
                     {
                         // Get an ID for the script. An ID only exists if it's a script that is assigned in the database
                         // through a script name (or similar).
-                        uint32 id = sObjectMgr->GetScriptId(script->GetName().c_str());
+                        uint32 id = GetScriptId(script->GetName().c_str());
                         if (id)
                         {
                             // Try to find an existing script.