set splom.axis.matches default to true

Author: emilykl

src/traces/splom/attributes.js

@@ -90,10 +90,9 @@ module.exports = {
                 ].join(' ')
             },
 
-            // TODO make 'true' the default in v3?
             matches: {
                 valType: 'boolean',
-                dflt: false,
+                dflt: true,
                 editType: 'calc',
                 description: [
                     'Determines whether or not the x & y axes generated by this',

src/types/generated/schema.d.ts

@@ -10038,7 +10038,7 @@ export interface SplomData {
         axis?: {
             /**
              * Determines whether or not the x & y axes generated by this dimension match. Equivalent to setting the `matches` axis attribute in the layout with the correct axis id.
-             * @default false
+             * @default true
              */
             matches?: boolean;
             /** Sets the axis type for this dimension's generated x and y axes. Note that the axis `type` values set in layout take precedence over this attribute. */

test/plot-schema.json

@@ -75855,7 +75855,7 @@
                 "editType": "calc+clearAxisTypes",
                 "matches": {
                   "description": "Determines whether or not the x & y axes generated by this dimension match. Equivalent to setting the `matches` axis attribute in the layout with the correct axis id.",
-                  "dflt": false,
+                  "dflt": true,
                   "editType": "calc",
                   "valType": "boolean"
                 },