Schema Pro 2.7.23

# Improvement: Updated the screenshot for the tooltip of the "Enable SiteLinks Search Box" feature.
# Fix: Content URL issue in Image License.
# Fix: Issue with shippingDetails in Product Schema.
# Fix: Updated code to handle unparsable structured data error.

# Fix: Added error handling checks before calling `render` method to prevent `TypeError`.

# Improvement: Restructured the plugin framework to enhance the code standards and security of the plugin.