Fix 'Script class can only be set together with base class name' error with .NET typed collections upon rebuild

modules/mono/csharp_script.cpp

@@ -833,6 +833,25 @@ void CSharpLanguage::reload_assemblies(bool p_soft_reload) {
 		return;
 	}
 
+	// Add all script types to script bridge before reloading exports,
+	// so typed collections can be reconstructed correctly regardless of script load order.
+	for (Ref<CSharpScript> &scr : to_reload) {
+		if (!scr->get_path().is_empty() && !scr->get_path().begins_with("csharp://")) {
+			String script_path = scr->get_path();
+
+			bool valid = GDMonoCache::managed_callbacks.ScriptManagerBridge_AddScriptBridge(scr.ptr(), &script_path);
+
+			if (valid) {
+				scr->valid = true;
+
+				CSharpScript::update_script_class_info(scr);
+
+				// Ensure that the next call to CSharpScript::reload will refresh the exports
+				scr->reload_invalidated = true;
+			}
+		}
+	}
+
 	List<Ref<CSharpScript>> to_reload_state;
 
 	for (Ref<CSharpScript> &scr : to_reload) {