Merge pull request #6508 from nextcloud/backport/6507/stable30

[stable30] Fix(plaintext): multiple linebreaks at end

Author: max-nextcloud

src/EditorFactory.js

@@ -51,7 +51,14 @@ const createEditor = ({ language, onCreate = () => {}, onUpdate = () => {}, exte
 			FocusTrap,
 		]
 	} else {
-		defaultExtensions = [PlainText, CodeBlockLowlight.configure({ lowlight, defaultLanguage: language })]
+		defaultExtensions = [
+			PlainText,
+			CodeBlockLowlight.configure({
+				lowlight,
+				defaultLanguage: language,
+				exitOnTripleEnter: false,
+			}),
+		]
 	}
 
 	return new Editor({