update some editTypes, fix drag behavior

Author: emilykl

src/components/shapes/attributes.js

@@ -237,7 +237,7 @@ module.exports = templatedArray('shape', {
         texttemplate: {
             valType: 'string',
             dflt: '',
-            editType: 'calc+arraydraw',
+            editType: 'arraydraw',
             description: [
                 'Template string used for rendering the shape\'s label.',
                 'Note that this will override `text`.',

src/components/shapes/draw.js

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

src/components/shapes/draw_newshape/attributes.js

@@ -91,7 +91,7 @@ module.exports = {
             texttemplate: {
                 valType: 'string',
                 dflt: '',
-                editType: 'calc+arraydraw',
+                editType: 'none',
                 description: [
                     'Template string used for rendering the new shape\'s label.',
                     'Note that this will override `text`.',