[#7125] registered missing jsvm migrations bindings

plugins/jsvm/jsvm.go

@@ -185,6 +185,7 @@ func (p *plugin) registerMigrations() error {
 	}
 
 	registry := new(require.Registry) // this can be shared by multiple runtimes
+	templateRegistry := template.NewRegistry()
 
 	for file, content := range files {
 		vm := goja.New()
@@ -200,6 +201,11 @@ func (p *plugin) registerMigrations() error {
 		osBinds(vm)
 		filepathBinds(vm)
 		httpClientBinds(vm)
+		filesystemBinds(vm)
+		formsBinds(vm)
+		mailsBinds(vm)
+
+		vm.Set("$template", templateRegistry)
 
 		vm.Set("migrate", func(up, down func(txApp core.App) error) {
 			core.AppMigrations.Register(up, down, file)