Convert credit cards fill_in into fill_in_with_force

These input are controlled by a js plugin (payment.js) that
messes up with Capybara and gives us a lot of flaky specs.

By using this hacky solution we are sure input are filled correctly,
see also solidusio#2911.

backend/spec/features/admin/orders/payments_spec.rb

@@ -205,9 +205,9 @@ def create_payment(opts = {})
       end
 
       it "is able to create a new credit card payment with valid information", js: true do
-        fill_in "Card Number", with: "4111 1111 1111 1111"
+        fill_in_with_force "Card Number", with: "4111 1111 1111 1111"
         fill_in "Name", with: "Test User"
-        fill_in "Expiration", with: "09 / #{Time.current.year + 1}"
+        fill_in_with_force "Expiration", with: "09 / #{Time.current.year + 1}"
         fill_in "Card Code", with: "007"
         # Regression test for https://github.com/spree/spree/issues/4277
         expect(page).to have_css('.ccType[value="visa"]', visible: false)
@@ -290,9 +290,9 @@ def create_payment(opts = {})
 
     it "is able to create a new payment", js: true do
       choose payment_method.name
-      fill_in "Card Number", with: "4111 1111 1111 1111"
+      fill_in_with_force "Card Number", with: "4111 1111 1111 1111"
       fill_in "Name", with: "Test User"
-      fill_in "Expiration", with: "09 / #{Time.current.year + 1}"
+      fill_in_with_force "Expiration", with: "09 / #{Time.current.year + 1}"
       fill_in "Card Code", with: "007"
       click_button "Continue"
       expect(page).to have_content("Payment has been successfully created!")
@@ -319,9 +319,9 @@ def create_payment(opts = {})
 
     it "displays an error" do
       choose payment_method.name
-      fill_in "Card Number", with: "4111 1111 1111 1111"
+      fill_in_with_force "Card Number", with: "4111 1111 1111 1111"
       fill_in "Name", with: "Test User"
-      fill_in "Expiration", with: "09 / #{Time.current.year + 1}"
+      fill_in_with_force "Expiration", with: "09 / #{Time.current.year + 1}"
       fill_in "Card Code", with: "007"
       click_button "Continue"
       expect(page).to have_content I18n.t('spree.insufficient_stock_for_order')

frontend/spec/features/checkout_spec.rb

@@ -539,8 +539,8 @@
 
       choose "Credit Card"
       fill_in "Name on card", with: 'Spree Commerce'
-      fill_in "Card Number", with: '4111 1111 1111 1111'
-      fill_in "card_expiry", with: '04 / 20'
+      fill_in_with_force "Card Number", with: '4111 1111 1111 1111'
+      fill_in_with_force "card_expiry", with: '04 / 20'
       fill_in "Card Code", with: '123'
       click_button "Save and Continue"
 
@@ -680,8 +680,8 @@
   end
 
   def fill_in_credit_card(number:)
-    fill_in "Card Number", with: number
-    fill_in "Expiration", with: "12 / 24"
+    fill_in_with_force "Card Number", with: number
+    fill_in_with_force "Expiration", with: "12 / 24"
     fill_in "Card Code", with: "123"
   end