no-jira: make the url to content.css for tinymce without server domain

src/main/java/org/olat/core/gui/components/form/flexible/impl/elements/richText/RichTextConfiguration.java

@@ -469,7 +469,7 @@ public class RichTextConfiguration implements Disposable {
 	public void setContentCSSFromTheme(Theme theme) {
 		// Always use default content css, then add the one from the theme
 		if (theme.getIdentifyer().equals(Theme.DEFAULTTHEME)) {
-			setContentCSS(theme.getBaseURI() + "content.css");			
+			setContentCSS(theme.getBaseURI() + "content.css");
 		} else {
 			StringOutput cssFiles = new StringOutput();
 			StaticMediaDispatcher.renderStaticURI(cssFiles, "themes/" + Theme.DEFAULTTHEME + "/content.css");
@@ -721,7 +721,7 @@ public class RichTextConfiguration implements Disposable {
 		if(contentCss != null) {
 			// add styles from content css and add them to format menu
 			copyNonValues.put(IMPORTCSS_APPEND, "true");
-			copyValues.put("content_css", Settings.createServerURI() + contentCss);
+			copyValues.put("content_css", contentCss);
 			// filter emoticons classes from content css
 			copyNonValues.put(IMPORT_SELECTOR_CONVERTER, IMPORT_SELECTOR_CONVERTER_VALUE_REMOVE_EMOTICONS);
 			// group imported css classes to paragraph, div, table and style menu