Properly reset custom triggers (fix duplicates)

Previously triggers would not be cleared properly and so be duplicated. (Static variables seem to persist between entering/exiting playmode)

Author: rogerbarton

scripts/DllManipulator.cs

@@ -100,6 +100,20 @@ internal static void Initialize(int unityMainThreadId, string assetsPath)
                 LoadAll();
         }
 
+        /// <summary>
+        /// Will unload/forget all dll's and reset the state 
+        /// </summary>
+        public static void Reset()
+        {
+            UnloadAll();
+            ForgetAllDlls();
+            ClearCrashLogs();
+            
+            _customLoadedTriggers?.Clear();
+            _customAfterUnloadTriggers?.Clear();
+            _customBeforeUnloadTriggers?.Clear();
+        }
+        
         private static void RegisterTriggerMethod(MethodInfo method, ref List<MethodInfo> triggersList)
         {
             var parameters = method.GetParameters();

scripts/DllManipulatorScript.cs

@@ -92,9 +92,7 @@ private void OnDestroy()
                 //On Preloaded mode this leads to NullReferenceException, but on Lazy mode the DLL and function would be just reloaded so we would up with loaded DLL after game exit.
                 //Thankfully thread safety with Lazy mode is not implemented yet.
 
-                DllManipulator.UnloadAll();
-                DllManipulator.ForgetAllDlls();
-                DllManipulator.ClearCrashLogs();
+                DllManipulator.Reset();
                 _singletonInstance = null;
             }
         }