Custom Product Options | Add Extra Fields to Product 5.3.0

• ## Update Policy:
  - Admin needs to update only zip file of module new version V5.3.0 because while admin will update zip file then database will be update automatically.
  
  ## Improvements:
  - Provide the configuration button on the product list at backoffice listing.
  - Product preview button disabled when product disabled.
  - Provide the configuration for custom product option theme background color.
  - Provide the option to hide the price impact on each option on front-end.
  
  ## Bug Fixes:
  - Fixed a fatal error on the product listing page in the back office under the "Product Options" tab.
  - Fixed upgrade script issue when V4.0.0 to V5.0.0 option values are not migrated correctly.
  - Fixed the issue where all products, whether customizable or not, were shown on the product listing in the back office under the "Product Options" tab.
  - Some functions have been upgraded specifically for PS below PS1.7.5 because they were not working correctly.
  - Fixed issue when product update via cron/csv then our custom option is disabled.
  - Fixed issue when quantity update then add to cart saved incorrect customization.
  - Fixed issue when parent checkbox is hide from configuration then price not update correctly on product page.
  - Fixed email alert module compatible issue with V2.2.1 or lower version.
  - Fixed issue when quantity update then custom options value data lost.
  - Fixed a fatal error on order checkout final summary page.
  - Fixed issue when admin clicks on save, then save and stay, multiple entries are created to the custom products options.
  - ps_emailalert module all version compatible issues has been fixed.
  
  ## Db changes:
  - New field hide_price added in wk_product_options_config table.
  - New field hide_price added in wk_product_options_config_shop table.
  - New field hide_price added in wk_product_options_value table.
  - New field hide_price added in wk_product_options_value_shop table.

## Improvements:
- Permormance enhances when a large number of product custom options are available.
- Add separated tab for all products of custom options.

## Bug fixes:
- Fixed issue related to displayPrice() function for below PS v1.7.5.
- Price calculation issue fixed on cart page.
- Fixed issue of rendering tpl on BO below Ps 1.7.5.2.
- Fixed price impact issue when same type of options apply on same product with same cart.
- Fixed price impact issue when a second product was added to same cart after removing ps_shoppingcart override.
- Fixed price issue on order confirmation, order detail page.
- Fixed shopping cart modal price issue.
- Fixed tax manage on invoice, delivery slip, for option price impact.

## Update Policy:
- Admin needs to update only zip file of module new version V5.2.0 because while admin will update zip file then database will be updated automatically.

## Improvements:
- Improve color panel on product page.
- Manage product options during reorder.
- Manage product option disocunt by the configuration.
- Parent checkbox hide with the configuration and manage with input values.
- Product search is available with the product reference at the time of option creation.
- Show product option on order details summary at checkout page.

## Bug fixes:
- Ajax must be call with displayAjax function on front controller fixed
- Add combination data by upgrade script to apply options on all combinations fixed
- Exclude options on the admin product edit page when the product is excluded.
- Skip price impact search values that start with a '%' prefix in the filter.
- Fixed issuue, where disabled products were not being searched when excluding products.
- Fixed ps_shoppingcart override issue.
- Fixed issue with updating cart quantity when deleting a product from the cart.
- Fixed price impact validation issue.
- Fixed issue related to displayPrice() function and replaced it with our custom function.
- Fixed mail content issue in product options and now displaying content line by line.
- Fixed ps_emailalert module Compatible issue.
- Fixed issue in dropdown edit options.
- Show file name on quickview after upload file.
- Replace getComputingPrecision() with _PS_PRICE_COMPUTE_PRECISION_ in versions below PS1.7.7.0.
- Product search requires a minimum of three letters.
- Fixed issue: show date, time, and datetime on the invoice and delivery slip.
- Fixed minor display, text issues.
- Fixed translations issues.

## Db changes:
- New field is_selected_first added in wk_product_options_config table.
- New field is_selected_first added in wk_product_options_config_shop table.
- Modify field id_customer in wk_product_options_conditions table.