MAGETWO-45060: Inconsistent credit card validation behavior

- Added cc number validation

Author: Dell-

app/code/Magento/Braintree/view/frontend/web/template/payment/cc-form.html

@@ -112,8 +112,15 @@
                     </label>
                     <div class="control">
                         <input type="number" name="payment[cc_number]" class="input-text" value=""
-                            data-bind="attr: {id: getCode() + '_cc_number', title: $t('Credit Card Number'), 'data-container': getCode() + '-cc-number', 'data-validate': JSON.stringify({'required-number':true, 'validate-cc-number':'#' + getCode() + '_cc_type', 'validate-cc-type':'#' + getCode() + '_cc_type'})},
-                            enable: true, value: creditCardNumber"/>
+                               data-bind="attr: {
+                                    autocomplete: off,
+                                    id: getCode() + '_cc_number',
+                                    title: $t('Credit Card Number'),
+                                    'data-container': getCode() + '-cc-number',
+                                    'data-validate': JSON.stringify({'required-number':true, 'validate-card-type':getCcAvailableTypesValues(), 'validate-card-number':'#' + getCode() + '_cc_type', 'validate-cc-type':'#' + getCode() + '_cc_type'})},
+                              enable: isActive($parents),
+                              value: creditCardNumber,
+                              valueUpdate: 'keyup' "/>
                     </div>
                 </div>
                 <div class="field date required" data-bind="attr: {id: getCode() + '_cc_type_exp_div'}, visible: isCcFormShown">