feat: allow checkboxgroup to have an invalid input for forms jumps

Author: betocantu93

packages/core/addon/components/eui-checkbox-group/index.hbs

@@ -2,6 +2,14 @@
   (arg-or-default @valueKey "id")
   (arg-or-default @labelKey "label") as |valueKey labelKey|
 }}
+  {{!template-lint-disable}}
+  <input
+    tabindex="-1"
+    style="opacity: 0px; width:0px; height:0px; position: absolute; top: 40%; border:solid 1px transparent !important; margin:0px !important;"
+    class="fake-input-for-html-form-validity"
+    {{validatable-control @isInvalid}}
+  />
+  {{!template-lint-enable}}
   {{#if @legend}}
     <EuiFormFieldset @legend={{@legend}} @compressed={{@compressed}}>
       {{#each @options key=valueKey as |option|}}

packages/validated-form/addon/components/validated-form/field-checkbox-group/index.hbs

@@ -25,6 +25,7 @@
       aria-label={{@ariaLabel}}
       @disabled={{@disabled}}
       @compressed={{@compressed}}
+      @isInvalid={{this.isInvalidAndTouched}}
       @options={{this.options}}
       @idToSelectedMap={{this.arrayToMap}}
       @legend={{@legend}}