add support: do not close dialog with support if user cancel suggestion to reuse library even if some addition actions are to be performed (IDEA-90953)

java/idea-ui/src/com/intellij/framework/addSupport/impl/AddSupportForSingleFrameworkDialog.java

@@ -81,6 +81,7 @@ public class AddSupportForSingleFrameworkDialog extends DialogWrapper {
           myModifiableModelsProvider.disposeModuleModifiableModel(modifiableModel);
           return;
         }
+        return;
       }
       myModifiableModelsProvider.commitModuleModifiableModel(modifiableModel);