Progress Map Wordpress Plugin 5.7.3

- Removed the URL parameter "loading=async" from the Maps JavaScript API URL as it causes a conflict with other APIs. Support for that parameter will be added in a future update!

- Fixed a conflict with "Full-Site-Editing / block themes" where it wasn't possible to enqueue scripts
- Fixed an issue whith the HTML character entities of the markers title
- Added a new URL parameter "loading=async" to the bootstrap URL for direct script loading to indicate that the Maps JavaScript API has not been loaded synchronously
- Added a new option to reverse Polyline/Polygon/Hole coordinates in the drawing tool under "Polyline settings", "Polygon settings" & "Map Holes settings" and deprecated the option "LatLngs order"

- Fixed the error in the console: "Loading the Google Maps JavaScript API without a callback is not supported"
- Fixed error implode() Argument #2 must be of type array for PHP 8.0 compatibility
- Fixed an issue where it wasn't possible to change the route color for the shortcode [cspm_route_map]

- Made the plugin compatible with PHP8