Ensure that access to myMetaData is synchronized (IDEA-CR-53297)

GitOrigin-RevId: 6da9dc892798824309e8215dcffa99fd8b4f1303

platform/lang-impl/src/com/intellij/codeInsight/intention/impl/config/IntentionManagerSettings.java

@@ -61,8 +61,8 @@ public final class IntentionManagerSettings implements PersistentStateComponent<
         String[] categories = extension.getCategories();
         if (categories == null) return;
         String familyName = extension.getInstance().getFamilyName();
-        myMetaData.remove(new MetaDataKey(categories, familyName));
-              }
+        unregisterMetaData(categories, familyName);
+      }
     }, true, this);
   }
 
@@ -210,4 +210,8 @@ public final class IntentionManagerSettings implements PersistentStateComponent<
       }
     }
   }
+
+  private synchronized void unregisterMetaData(String[] categories, String familyName) {
+    myMetaData.remove(new MetaDataKey(categories, familyName));
+  }
 }