clear modal after printing it once

now after a modal (eg "m l") and <enter> will re-print the page you are on

actions.go

@@ -430,6 +430,8 @@ func print(state *BrowserState) error {
 		return nil
 	}
 
+	defer func() { state.Modal = nil }()
+
 	if state.Body == nil && state.Modal == nil {
 		return ErrMustBeOnAPage
 	}