Real3D FlipBook WordPress Plugin 4.9.3

* Fix: PDF Flipbook rendering bug
* Fix: PDF links not working in some cases
* New: Option to enable / disable Current page on mobile
* New: Option to enable / disable Tools menu

* Fix: Fullscreen mode flipbook cut off
* Fix: Broken flipbook permalinks

* Improvement: Updated to PDF.js 3.11.174
* Improvement: Text selection for PDF flipbooks enabled by default
* Fix: Fullscreen on iOS
* Fix: Double click zoom
* Fix: Flip pages with touch swipe
* Other bug fixes
* Performance improvements