ensure reset display when the element is reused

Author: archmoj

draftlogs/6335_fix.md

@@ -0,0 +1 @@
+ - Hide pie text on empty slices to avoid PDF exports in MS Word from SVG imports [[#6335](https://github.com/plotly/plotly.js/pull/6335)]

src/traces/pie/plot.js

@@ -246,6 +246,8 @@ function plot(gd, cdModule) {
                         strTranslate(transform.x, transform.y) +
                         strScale(scale) +
                         strTranslate(transform.tx, transform.ty));
+
+                    titleText.style('display', null);
                 } else {
                     titleText.style('display', 'none');
                 }