fix(field): put submitted prop in interaction state mixin

packages/field/src/InteractionStateMixin.js

@@ -39,6 +39,13 @@ export const InteractionStateMixin = dedupeMixin(
           prefilled: {
             type: Boolean,
           },
+          /**
+           * True when user has attempted to submit the form, e.g. through a button
+           * of type="submit"
+           */
+          submitted: {
+            type: Boolean,
+          },
         };
       }
 

packages/field/test-suites/InteractionStateMixin.suite.js

@@ -1,14 +1,14 @@
+import { LitElement } from '@lion/core';
 import {
+  defineCE,
   expect,
   fixture,
-  unsafeStatic,
   html,
-  defineCE,
-  triggerFocusFor,
   triggerBlurFor,
+  triggerFocusFor,
+  unsafeStatic,
 } from '@open-wc/testing';
 import sinon from 'sinon';
-import { LitElement } from '@lion/core';
 import { InteractionStateMixin } from '../src/InteractionStateMixin.js';
 
 export function runInteractionStateMixinSuite(customConfig) {