IDEA-314116 Grazie: Multiple spaces reported with entity

GitOrigin-RevId: 9e4ad8997de918690c115facf30382fd8bddefba

plugins/grazie/src/test/testData/ide/language/xml/Example.html

@@ -11,6 +11,8 @@
 Some widely used comparison methods (e.g. <code>String.compareTo</code>)
 actually return values.
 
+<p>Bild: &copy; Kurt</p>
+
 <pre>
   boolean allStartWith(String a, String b, String c, String d, String prefix)
 </pre>

plugins/grazie/xml/main/kotlin/com/intellij/grazie/ide/language/xml/XmlTextExtractor.java

@@ -108,7 +108,7 @@ public class XmlTextExtractor extends TextExtractor {
             markupIndices.add(group.size());
           }
         }
-        if (each instanceof OuterLanguageElement) {
+        if (each instanceof OuterLanguageElement || each instanceof XmlEntityRef) {
           flushGroup(true);
           unknownBefore = true;
         }