Fix: Registration form with missing labels.

Improvement: Styling of registration form for desktop and mobile.

Fix: Error when updating or adding a card with Stripe. Update RCP JS Stripe code since it was using deprecated function.

Improvement: Update styles of registration page. Remove tables, replace with divs. Props James Welbes

Improvement: Update styles of Membership page. Remove table, replace with divs. Align columns. Tweak mobile view. Give inputs a max width. Props James Welbes.

Improvement: Change the label "Membership Level" -> "Membership" in the exporting tools.

Fix: Error when the setting "Remove Data on Uninstall" was enable. There was a wrong file reference.

Update: Misc Setting label "Multiple Free Subscriptions" to "Switch Free Subscription" since it makes more sense.

Add: Missing settings in the System Info Page(Stripe Statement Descriptor, Stripe Statement Suffix, Remove Data on Uninstall, Switch Free Subscription).

Fix: Remove forcing the usage of attributes `userlevel` or `level` in shortcode `[restrict]`. The `[restrict]` shortcode will be deprecated in future releases.

Improvement: Add a new feature in the RCP settings to let the user add Stripe Descriptor and Suffix.

Improvement: Add a new feature to allow switching free memberships if the user has already used or trialed a free membership.

Fix: PHP 8.x. Fix string format while displaying the percentage symbol on the "Discount Codes" page.

Fix: Error message not shown when toggling auto-enable on/off [RCP-279].