IDEA-368150 Kotlin Spring Beans are not displayed properly in Structure Toolwindow

(cherry picked from commit c2b0e0e0967a8ef1b7b23b34d2450222e4170706)

IJ-CR-159986

GitOrigin-RevId: c3077c4cfac086fe2b07bb870b9d722e444530c1

java/java-structure-view/src/com/intellij/lang/java/logical/ClassOwnerLogicalStructureElementsProvider.kt

@@ -20,7 +20,7 @@ class ClassOwnerLogicalStructureElementsProvider: LogicalStructureElementsProvid
         convertedModels.forEach { result.add(it) }
         convertedAtLeastOne = true
       }
-      else {
+      else if (psiClass.identifyingElement != null) {
         result.add(psiClass)
       }
     }