Change: [Script] Store randomizers in savegame (#12063)

src/saveload/afterload.cpp

@@ -255,8 +255,6 @@ static void InitializeWindowsAndCaches()
 	UpdateAllVirtCoords();
 	ResetViewportAfterLoadGame();
 
-	ScriptObject::InitializeRandomizers();
-
 	for (Company *c : Company::Iterate()) {
 		/* For each company, verify (while loading a scenario) that the inauguration date is the current year and set it
 		 * accordingly if it is not the case.  No need to set it on companies that are not been used already,
@@ -3288,6 +3286,10 @@ bool AfterLoadGame()
 		}
 	}
 
+	if (IsSavegameVersionBefore(SLV_SCRIPT_RANDOMIZER)) {
+		ScriptObject::InitializeRandomizers();
+	}
+
 	for (Company *c : Company::Iterate()) {
 		UpdateCompanyLiveries(c);
 	}