XRENDERING-621: Make rendering errors translatables and extendables

* fix mistake

xwiki-rendering-api/src/main/java/org/xwiki/rendering/internal/util/DefaultErrorBlockGenerator.java

@@ -109,8 +109,7 @@ protected List<Block> generateErrorBlocks(boolean inline, LogEvent message, LogE
                 errorBlocks.add(new FormatBlock(descriptionChildren, Format.NONE, errorDescriptionBlockParams));
             }
         } else {
-            errorBlocks
-                .add(new GroupBlock(Arrays.asList(new WordBlock(message.getFormattedMessage())), errorBlockParams));
+            errorBlocks.add(new GroupBlock(Arrays.asList(new WordBlock(messageBuilder.toString())), errorBlockParams));
             if (!descriptionChildren.isEmpty()) {
                 errorBlocks.add(new GroupBlock(descriptionChildren, errorDescriptionBlockParams));
             }