update shape label while editing an editable shape

Author: archmoj

src/components/shapes/display_outlines.js

@@ -36,7 +36,7 @@ module.exports = function displayOutlines(polygons, outlines, dragOptions, nCall
         // recursive call
         displayOutlines(polygons, outlines, dragOptions, nCalls++);
 
-        if(pointsOnEllipse(polygons[0])) {
+        if(pointsOnEllipse(polygons[0]) || dragOptions.hasText) {
             update({redrawing: true});
         }
     }

src/components/shapes/draw.js

@@ -168,6 +168,7 @@ function drawOne(gd, index) {
                 plotinfo: plotinfo,
                 gd: gd,
                 editHelpers: editHelpers,
+                hasText: options.label.text,
                 isActiveShape: true // i.e. to enable controllers
             };