SL-18583 Missed flushUpdates

indra/newview/llpanelface.cpp

@@ -4249,6 +4249,8 @@ void LLPanelFace::onPasteTexture()
     LLPanelFaceUpdateFunctor sendfunc(true, true);
     selected_objects->applyToObjects(&sendfunc);
 
+    LLGLTFMaterialList::flushUpdates();
+
     LLPanelFaceNavigateHomeFunctor navigate_home_func;
     selected_objects->applyToTEs(&navigate_home_func);
 }

indra/newview/llselectmgr.cpp

@@ -1818,6 +1818,8 @@ void LLObjectSelection::applyNoCopyPbrMaterialToTEs(LLViewerInventoryItem* item)
             }
         }
     }
+
+    LLGLTFMaterialList::flushUpdates();
 }
 
 
@@ -2016,6 +2018,8 @@ void LLSelectMgr::selectionSetGLTFMaterial(const LLUUID& mat_id)
         }
     } sendfunc(item);
     getSelection()->applyToObjects(&sendfunc);
+
+    LLGLTFMaterialList::flushUpdates();
 }
 
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