[BUGFIX] Fix for multiple TinyMCE in same page. Avoids multiple initialization...

[BUGFIX] Fix for multiple TinyMCE in same page. Avoids multiple initialization which was breaking the save in TYPO3.

Classes/Loader.php

@@ -299,11 +299,16 @@ class Loader {
 		$configuration .= '
 			var $ = jQuery = window.TYPO3.jQuery;
 			var RTEarea = RTEarea || window.RTEarea;
+
 			define([\'TYPO3/CMS/Tinymce/../../../../typo3conf/ext/tinymce/tinymce_node_modules/tinymce/jquery.tinymce.min.js\'], function () {
-				$(\'.tinymce4_rte\').tinymce({
-					script_url : \'' . $this->getPath($tinymceSource, TRUE) . '\',
-					' . $this->replaceTypo3Paths($this->tinymceConfiguration['configurationData']) . '
-				});
+				if(!$(\'.tinymce4_rte\').data(\'first\')){
+					$(\'.tinymce4_rte\').data(\'first\', true);
+					$(\'.tinymce4_rte\').tinymce({
+						script_url : \'' . $this->getPath($tinymceSource, TRUE) . '\',
+						' . $this->replaceTypo3Paths($this->tinymceConfiguration['configurationData']) . '
+					});
+				}
+
 			});
 		';
 		$configuration .= $this->tinymceConfiguration['postJS'];
@@ -410,4 +415,4 @@ class Loader {
 	}
 }
 
-?>
\ No newline at end of file
+?>